81979800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 294624000

約数和(自身を除く): 212644200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 131, 140, 149, 150, 168, 175, 200, 210, 262, 280, 298, 300, 350, 393, 420, 447, 524, 525, 596, 600, 655, 700, 745, 786, 840, 894, 917, 1043, 1048, 1050, 1192, 1310, 1400, 1490, 1572, 1788, 1834, 1965, 2086, 2100, 2235, 2620, 2751, 2980, 3129, 3144, 3275, 3576, 3668, 3725, 3930, 4172, 4200, 4470, 4585, 5215, 5240, 5502, 5960, 6258, 6550, 7336, 7450, 7860, 8344, 8940, 9170, 9825, 10430, 11004, 11175, 12516, 13100, 13755, 14900, 15645, 15720, 17880, 18340, 19519, 19650, 20860, 22008, 22350, 22925, 25032, 26075, 26200, 27510, 29800, 31290, 36680, 39038, 39300, 41720, 44700, 45850, 52150, 55020, 58557, 62580, 68775, 78076, 78225, 78600, 89400, 91700, 97595, 104300, 110040, 117114, 125160, 136633, 137550, 156152, 156450, 183400, 195190, 208600, 234228, 273266, 275100, 292785, 312900, 390380, 409899, 468456, 487975, 546532, 550200, 585570, 625800, 683165, 780760, 819798, 975950, 1093064, 1171140, 1366330, 1463925, 1639596, 1951900, 2049495, 2342280, 2732660, 2927850, 3279192, 3415825, 3903800, 4098990, 5465320, 5855700, 6831650, 8197980, 10247475, 11711400, 13663300, 16395960, 20494950, 27326600, 40989900, 81979800]

約数ペア:

[(1, 81979800), (2, 40989900), (3, 27326600), (4, 20494950), (5, 16395960), (6, 13663300), (7, 11711400), (8, 10247475), (10, 8197980), (12, 6831650), (14, 5855700), (15, 5465320), (20, 4098990), (21, 3903800), (24, 3415825), (25, 3279192), (28, 2927850), (30, 2732660), (35, 2342280), (40, 2049495), (42, 1951900), (50, 1639596), (56, 1463925), (60, 1366330), (70, 1171140), (75, 1093064), (84, 975950), (100, 819798), (105, 780760), (120, 683165), (131, 625800), (140, 585570), (149, 550200), (150, 546532), (168, 487975), (175, 468456), (200, 409899), (210, 390380), (262, 312900), (280, 292785), (298, 275100), (300, 273266), (350, 234228), (393, 208600), (420, 195190), (447, 183400), (524, 156450), (525, 156152), (596, 137550), (600, 136633), (655, 125160), (700, 117114), (745, 110040), (786, 104300), (840, 97595), (894, 91700), (917, 89400), (1043, 78600), (1048, 78225), (1050, 78076), (1192, 68775), (1310, 62580), (1400, 58557), (1490, 55020), (1572, 52150), (1788, 45850), (1834, 44700), (1965, 41720), (2086, 39300), (2100, 39038), (2235, 36680), (2620, 31290), (2751, 29800), (2980, 27510), (3129, 26200), (3144, 26075), (3275, 25032), (3576, 22925), (3668, 22350), (3725, 22008), (3930, 20860), (4172, 19650), (4200, 19519), (4470, 18340), (4585, 17880), (5215, 15720), (5240, 15645), (5502, 14900), (5960, 13755), (6258, 13100), (6550, 12516), (7336, 11175), (7450, 11004), (7860, 10430), (8344, 9825), (8940, 9170)]