261252810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 320

約数和(自身を含む): 903490560

約数和(自身を除く): 642237750

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 42, 45, 49, 54, 62, 63, 65, 70, 78, 90, 91, 93, 98, 105, 117, 126, 130, 135, 147, 155, 182, 186, 189, 195, 210, 217, 234, 245, 270, 273, 279, 294, 310, 315, 343, 351, 378, 390, 403, 434, 441, 455, 465, 490, 546, 558, 585, 630, 637, 651, 686, 702, 735, 806, 819, 837, 882, 910, 930, 945, 1029, 1085, 1170, 1209, 1274, 1302, 1323, 1365, 1395, 1470, 1519, 1638, 1674, 1715, 1755, 1890, 1911, 1953, 2015, 2058, 2170, 2205, 2401, 2418, 2457, 2646, 2730, 2790, 2821, 3038, 3087, 3185, 3255, 3430, 3510, 3627, 3822, 3906, 4030, 4095, 4185, 4410, 4459, 4557, 4802, 4914, 5145, 5642, 5733, 5859, 6045, 6174, 6370, 6510, 6615, 7203, 7254, 7595, 8190, 8370, 8463, 8918, 9114, 9261, 9555, 9765, 10290, 10633, 10881, 11466, 11718, 12005, 12090, 12285, 13230, 13377, 13671, 14105, 14406, 15190, 15435, 16926, 17199, 18135, 18522, 19110, 19530, 19747, 21266, 21609, 21762, 22295, 22785, 24010, 24570, 25389, 26754, 27342, 28210, 28665, 29295, 30870, 31213, 31899, 34398, 36015, 36270, 39494, 40131, 41013, 42315, 43218, 44590, 45570, 46305, 50778, 53165, 54405, 57330, 58590, 59241, 62426, 63798, 64827, 66885, 68355, 72030, 74431, 76167, 80262, 82026, 84630, 85995, 92610, 93639, 95697, 98735, 106330, 108045, 108810, 118482, 120393, 126945, 129654, 133770, 136710, 138229, 148862, 152334, 156065, 159495, 171990, 177723, 187278, 191394, 197470, 200655, 205065, 216090, 223293, 240786, 253890, 276458, 280917, 287091, 296205, 312130, 318990, 324135, 355446, 372155, 380835, 401310, 410130, 414687, 446586, 468195, 478485, 533169, 561834, 574182, 592410, 601965, 648270, 669879, 691145, 744310, 761670, 829374, 842751, 888615, 936390, 956970, 967603, 1066338, 1116465, 1203930, 1244061, 1339758, 1382290, 1404585, 1435455, 1685502, 1777230, 1935206, 2009637, 2073435, 2232930, 2488122, 2665845, 2809170, 2870910, 2902809, 3349395, 3732183, 4019274, 4146870, 4213755, 4838015, 5331690, 5805618, 6220305, 6698790, 7464366, 8427510, 8708427, 9676030, 10048185, 12440610, 14514045, 17416854, 18660915, 20096370, 26125281, 29028090, 37321830, 43542135, 52250562, 87084270, 130626405, 261252810]

約数ペア:

[(1, 261252810), (2, 130626405), (3, 87084270), (5, 52250562), (6, 43542135), (7, 37321830), (9, 29028090), (10, 26125281), (13, 20096370), (14, 18660915), (15, 17416854), (18, 14514045), (21, 12440610), (26, 10048185), (27, 9676030), (30, 8708427), (31, 8427510), (35, 7464366), (39, 6698790), (42, 6220305), (45, 5805618), (49, 5331690), (54, 4838015), (62, 4213755), (63, 4146870), (65, 4019274), (70, 3732183), (78, 3349395), (90, 2902809), (91, 2870910), (93, 2809170), (98, 2665845), (105, 2488122), (117, 2232930), (126, 2073435), (130, 2009637), (135, 1935206), (147, 1777230), (155, 1685502), (182, 1435455), (186, 1404585), (189, 1382290), (195, 1339758), (210, 1244061), (217, 1203930), (234, 1116465), (245, 1066338), (270, 967603), (273, 956970), (279, 936390), (294, 888615), (310, 842751), (315, 829374), (343, 761670), (351, 744310), (378, 691145), (390, 669879), (403, 648270), (434, 601965), (441, 592410), (455, 574182), (465, 561834), (490, 533169), (546, 478485), (558, 468195), (585, 446586), (630, 414687), (637, 410130), (651, 401310), (686, 380835), (702, 372155), (735, 355446), (806, 324135), (819, 318990), (837, 312130), (882, 296205), (910, 287091), (930, 280917), (945, 276458), (1029, 253890), (1085, 240786), (1170, 223293), (1209, 216090), (1274, 205065), (1302, 200655), (1323, 197470), (1365, 191394), (1395, 187278), (1470, 177723), (1519, 171990), (1638, 159495), (1674, 156065), (1715, 152334), (1755, 148862), (1890, 138229), (1911, 136710), (1953, 133770), (2015, 129654), (2058, 126945), (2170, 120393), (2205, 118482), (2401, 108810), (2418, 108045), (2457, 106330), (2646, 98735), (2730, 95697), (2790, 93639), (2821, 92610), (3038, 85995), (3087, 84630), (3185, 82026), (3255, 80262), (3430, 76167), (3510, 74431), (3627, 72030), (3822, 68355), (3906, 66885), (4030, 64827), (4095, 63798), (4185, 62426), (4410, 59241), (4459, 58590), (4557, 57330), (4802, 54405), (4914, 53165), (5145, 50778), (5642, 46305), (5733, 45570), (5859, 44590), (6045, 43218), (6174, 42315), (6370, 41013), (6510, 40131), (6615, 39494), (7203, 36270), (7254, 36015), (7595, 34398), (8190, 31899), (8370, 31213), (8463, 30870), (8918, 29295), (9114, 28665), (9261, 28210), (9555, 27342), (9765, 26754), (10290, 25389), (10633, 24570), (10881, 24010), (11466, 22785), (11718, 22295), (12005, 21762), (12090, 21609), (12285, 21266), (13230, 19747), (13377, 19530), (13671, 19110), (14105, 18522), (14406, 18135), (15190, 17199), (15435, 16926)]