1777230

素因数分解:

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

素因数の和:71

約数の個数: 144

約数和(自身を含む): 5975424

約数和(自身を除く): 4198194

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 49, 62, 63, 65, 70, 78, 90, 91, 93, 98, 105, 117, 126, 130, 147, 155, 182, 186, 195, 210, 217, 234, 245, 273, 279, 294, 310, 315, 390, 403, 434, 441, 455, 465, 490, 546, 558, 585, 630, 637, 651, 735, 806, 819, 882, 910, 930, 1085, 1170, 1209, 1274, 1302, 1365, 1395, 1470, 1519, 1638, 1911, 1953, 2015, 2170, 2205, 2418, 2730, 2790, 2821, 3038, 3185, 3255, 3627, 3822, 3906, 4030, 4095, 4410, 4557, 5642, 5733, 6045, 6370, 6510, 7254, 7595, 8190, 8463, 9114, 9555, 9765, 11466, 12090, 13671, 14105, 15190, 16926, 18135, 19110, 19530, 19747, 22785, 25389, 27342, 28210, 28665, 36270, 39494, 42315, 45570, 50778, 57330, 59241, 68355, 84630, 98735, 118482, 126945, 136710, 177723, 197470, 253890, 296205, 355446, 592410, 888615, 1777230]

約数ペア:

[(1, 1777230), (2, 888615), (3, 592410), (5, 355446), (6, 296205), (7, 253890), (9, 197470), (10, 177723), (13, 136710), (14, 126945), (15, 118482), (18, 98735), (21, 84630), (26, 68355), (30, 59241), (31, 57330), (35, 50778), (39, 45570), (42, 42315), (45, 39494), (49, 36270), (62, 28665), (63, 28210), (65, 27342), (70, 25389), (78, 22785), (90, 19747), (91, 19530), (93, 19110), (98, 18135), (105, 16926), (117, 15190), (126, 14105), (130, 13671), (147, 12090), (155, 11466), (182, 9765), (186, 9555), (195, 9114), (210, 8463), (217, 8190), (234, 7595), (245, 7254), (273, 6510), (279, 6370), (294, 6045), (310, 5733), (315, 5642), (390, 4557), (403, 4410), (434, 4095), (441, 4030), (455, 3906), (465, 3822), (490, 3627), (546, 3255), (558, 3185), (585, 3038), (630, 2821), (637, 2790), (651, 2730), (735, 2418), (806, 2205), (819, 2170), (882, 2015), (910, 1953), (930, 1911), (1085, 1638), (1170, 1519), (1209, 1470), (1274, 1395), (1302, 1365)]