1820021520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:857

約数の個数: 160

約数和(自身を含む): 5755881600

約数和(自身を除く): 3935860080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 139, 178, 240, 267, 278, 356, 417, 445, 534, 556, 613, 695, 712, 834, 890, 1068, 1112, 1226, 1335, 1390, 1424, 1668, 1780, 1839, 2085, 2136, 2224, 2452, 2670, 2780, 3065, 3336, 3560, 3678, 4170, 4272, 4904, 5340, 5560, 6130, 6672, 7120, 7356, 8340, 9195, 9808, 10680, 11120, 12260, 12371, 14712, 16680, 18390, 21360, 24520, 24742, 29424, 33360, 36780, 37113, 49040, 49484, 54557, 61855, 73560, 74226, 85207, 98968, 109114, 123710, 147120, 148452, 163671, 170414, 185565, 197936, 218228, 247420, 255621, 272785, 296904, 327342, 340828, 371130, 426035, 436456, 494840, 511242, 545570, 593808, 654684, 681656, 742260, 818355, 852070, 872912, 989680, 1022484, 1091140, 1278105, 1309368, 1363312, 1484520, 1636710, 1704140, 2044968, 2182280, 2556210, 2618736, 2969040, 3273420, 3408280, 4089936, 4364560, 5112420, 6546840, 6816560, 7583423, 10224840, 13093680, 15166846, 20449680, 22750269, 30333692, 37917115, 45500538, 60667384, 75834230, 91001076, 113751345, 121334768, 151668460, 182002152, 227502690, 303336920, 364004304, 455005380, 606673840, 910010760, 1820021520]

約数ペア:

[(1, 1820021520), (2, 910010760), (3, 606673840), (4, 455005380), (5, 364004304), (6, 303336920), (8, 227502690), (10, 182002152), (12, 151668460), (15, 121334768), (16, 113751345), (20, 91001076), (24, 75834230), (30, 60667384), (40, 45500538), (48, 37917115), (60, 30333692), (80, 22750269), (89, 20449680), (120, 15166846), (139, 13093680), (178, 10224840), (240, 7583423), (267, 6816560), (278, 6546840), (356, 5112420), (417, 4364560), (445, 4089936), (534, 3408280), (556, 3273420), (613, 2969040), (695, 2618736), (712, 2556210), (834, 2182280), (890, 2044968), (1068, 1704140), (1112, 1636710), (1226, 1484520), (1335, 1363312), (1390, 1309368), (1424, 1278105), (1668, 1091140), (1780, 1022484), (1839, 989680), (2085, 872912), (2136, 852070), (2224, 818355), (2452, 742260), (2670, 681656), (2780, 654684), (3065, 593808), (3336, 545570), (3560, 511242), (3678, 494840), (4170, 436456), (4272, 426035), (4904, 371130), (5340, 340828), (5560, 327342), (6130, 296904), (6672, 272785), (7120, 255621), (7356, 247420), (8340, 218228), (9195, 197936), (9808, 185565), (10680, 170414), (11120, 163671), (12260, 148452), (12371, 147120), (14712, 123710), (16680, 109114), (18390, 98968), (21360, 85207), (24520, 74226), (24742, 73560), (29424, 61855), (33360, 54557), (36780, 49484), (37113, 49040)]