68990700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 140995860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 71, 75, 79, 82, 100, 123, 142, 150, 158, 164, 205, 213, 237, 246, 284, 300, 316, 355, 395, 410, 426, 474, 492, 615, 710, 790, 820, 852, 948, 1025, 1065, 1185, 1230, 1420, 1580, 1775, 1975, 2050, 2130, 2370, 2460, 2911, 3075, 3239, 3550, 3950, 4100, 4260, 4740, 5325, 5609, 5822, 5925, 6150, 6478, 7100, 7900, 8733, 9717, 10650, 11218, 11644, 11850, 12300, 12956, 14555, 16195, 16827, 17466, 19434, 21300, 22436, 23700, 28045, 29110, 32390, 33654, 34932, 38868, 43665, 48585, 56090, 58220, 64780, 67308, 72775, 80975, 84135, 87330, 97170, 112180, 140225, 145550, 161950, 168270, 174660, 194340, 218325, 229969, 242925, 280450, 291100, 323900, 336540, 420675, 436650, 459938, 485850, 560900, 689907, 841350, 873300, 919876, 971700, 1149845, 1379814, 1682700, 2299690, 2759628, 3449535, 4599380, 5749225, 6899070, 11498450, 13798140, 17247675, 22996900, 34495350, 68990700]

約数ペア:

[(1, 68990700), (2, 34495350), (3, 22996900), (4, 17247675), (5, 13798140), (6, 11498450), (10, 6899070), (12, 5749225), (15, 4599380), (20, 3449535), (25, 2759628), (30, 2299690), (41, 1682700), (50, 1379814), (60, 1149845), (71, 971700), (75, 919876), (79, 873300), (82, 841350), (100, 689907), (123, 560900), (142, 485850), (150, 459938), (158, 436650), (164, 420675), (205, 336540), (213, 323900), (237, 291100), (246, 280450), (284, 242925), (300, 229969), (316, 218325), (355, 194340), (395, 174660), (410, 168270), (426, 161950), (474, 145550), (492, 140225), (615, 112180), (710, 97170), (790, 87330), (820, 84135), (852, 80975), (948, 72775), (1025, 67308), (1065, 64780), (1185, 58220), (1230, 56090), (1420, 48585), (1580, 43665), (1775, 38868), (1975, 34932), (2050, 33654), (2130, 32390), (2370, 29110), (2460, 28045), (2911, 23700), (3075, 22436), (3239, 21300), (3550, 19434), (3950, 17466), (4100, 16827), (4260, 16195), (4740, 14555), (5325, 12956), (5609, 12300), (5822, 11850), (5925, 11644), (6150, 11218), (6478, 10650), (7100, 9717), (7900, 8733)]