128233980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 288

約数和(自身を含む): 475238400

約数和(自身を除く): 347004420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 62, 63, 67, 70, 84, 90, 93, 98, 105, 124, 126, 134, 140, 147, 155, 180, 186, 196, 201, 210, 217, 245, 252, 268, 279, 294, 310, 315, 335, 343, 372, 402, 420, 434, 441, 465, 469, 490, 558, 588, 603, 620, 630, 651, 670, 686, 735, 804, 868, 882, 930, 938, 980, 1005, 1029, 1085, 1116, 1206, 1260, 1302, 1340, 1372, 1395, 1407, 1470, 1519, 1715, 1764, 1860, 1876, 1953, 2010, 2058, 2077, 2170, 2205, 2345, 2412, 2604, 2790, 2814, 2940, 3015, 3038, 3087, 3255, 3283, 3430, 3906, 4020, 4116, 4154, 4221, 4340, 4410, 4557, 4690, 5145, 5580, 5628, 6030, 6076, 6174, 6231, 6510, 6566, 6860, 7035, 7595, 7812, 8308, 8442, 8820, 9114, 9380, 9765, 9849, 10290, 10385, 10633, 12060, 12348, 12462, 13020, 13132, 13671, 14070, 14539, 15190, 15435, 16415, 16884, 18228, 18693, 19530, 19698, 20580, 20770, 21105, 21266, 22785, 22981, 24924, 27342, 28140, 29078, 29547, 30380, 30870, 31155, 31899, 32830, 37386, 39060, 39396, 41540, 42210, 42532, 43617, 45570, 45962, 49245, 53165, 54684, 58156, 59094, 61740, 62310, 63798, 65660, 68355, 68943, 72695, 74772, 84420, 87234, 91140, 91924, 93465, 95697, 98490, 101773, 106330, 114905, 118188, 124620, 127596, 130851, 136710, 137886, 145390, 147735, 159495, 174468, 186930, 191394, 196980, 203546, 206829, 212660, 218085, 229810, 261702, 273420, 275772, 290780, 295470, 305319, 318990, 344715, 373860, 382788, 407092, 413658, 436170, 459620, 478485, 508865, 523404, 590940, 610638, 637980, 654255, 689430, 712411, 827316, 872340, 915957, 956970, 1017730, 1034145, 1221276, 1308510, 1378860, 1424822, 1526595, 1831914, 1913940, 2035460, 2068290, 2137233, 2617020, 2849644, 3053190, 3562055, 3663828, 4136580, 4274466, 4579785, 6106380, 6411699, 7124110, 8548932, 9159570, 10686165, 12823398, 14248220, 18319140, 21372330, 25646796, 32058495, 42744660, 64116990, 128233980]

約数ペア:

[(1, 128233980), (2, 64116990), (3, 42744660), (4, 32058495), (5, 25646796), (6, 21372330), (7, 18319140), (9, 14248220), (10, 12823398), (12, 10686165), (14, 9159570), (15, 8548932), (18, 7124110), (20, 6411699), (21, 6106380), (28, 4579785), (30, 4274466), (31, 4136580), (35, 3663828), (36, 3562055), (42, 3053190), (45, 2849644), (49, 2617020), (60, 2137233), (62, 2068290), (63, 2035460), (67, 1913940), (70, 1831914), (84, 1526595), (90, 1424822), (93, 1378860), (98, 1308510), (105, 1221276), (124, 1034145), (126, 1017730), (134, 956970), (140, 915957), (147, 872340), (155, 827316), (180, 712411), (186, 689430), (196, 654255), (201, 637980), (210, 610638), (217, 590940), (245, 523404), (252, 508865), (268, 478485), (279, 459620), (294, 436170), (310, 413658), (315, 407092), (335, 382788), (343, 373860), (372, 344715), (402, 318990), (420, 305319), (434, 295470), (441, 290780), (465, 275772), (469, 273420), (490, 261702), (558, 229810), (588, 218085), (603, 212660), (620, 206829), (630, 203546), (651, 196980), (670, 191394), (686, 186930), (735, 174468), (804, 159495), (868, 147735), (882, 145390), (930, 137886), (938, 136710), (980, 130851), (1005, 127596), (1029, 124620), (1085, 118188), (1116, 114905), (1206, 106330), (1260, 101773), (1302, 98490), (1340, 95697), (1372, 93465), (1395, 91924), (1407, 91140), (1470, 87234), (1519, 84420), (1715, 74772), (1764, 72695), (1860, 68943), (1876, 68355), (1953, 65660), (2010, 63798), (2058, 62310), (2077, 61740), (2170, 59094), (2205, 58156), (2345, 54684), (2412, 53165), (2604, 49245), (2790, 45962), (2814, 45570), (2940, 43617), (3015, 42532), (3038, 42210), (3087, 41540), (3255, 39396), (3283, 39060), (3430, 37386), (3906, 32830), (4020, 31899), (4116, 31155), (4154, 30870), (4221, 30380), (4340, 29547), (4410, 29078), (4557, 28140), (4690, 27342), (5145, 24924), (5580, 22981), (5628, 22785), (6030, 21266), (6076, 21105), (6174, 20770), (6231, 20580), (6510, 19698), (6566, 19530), (6860, 18693), (7035, 18228), (7595, 16884), (7812, 16415), (8308, 15435), (8442, 15190), (8820, 14539), (9114, 14070), (9380, 13671), (9765, 13132), (9849, 13020), (10290, 12462), (10385, 12348), (10633, 12060)]