1813234920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{30403}}^1$

素因数の和:30495

約数の個数: 128

約数和(自身を含む): 6304573440

約数和(自身を除く): 4491338520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 29820, 30403, 59640, 60806, 91209, 121612, 152015, 182418, 212821, 243224, 304030, 364836, 425642, 456045, 608060, 638463, 729672, 851284, 912090, 1064105, 1216120, 1276926, 1702568, 1824180, 2128210, 2158613, 2553852, 3192315, 3648360, 4256420, 4317226, 5107704, 6384630, 6475839, 8512840, 8634452, 10793065, 12769260, 12951678, 15110291, 17268904, 21586130, 25538520, 25903356, 30220582, 32379195, 43172260, 45330873, 51806712, 60441164, 64758390, 75551455, 86344520, 90661746, 120882328, 129516780, 151102910, 181323492, 226654365, 259033560, 302205820, 362646984, 453308730, 604411640, 906617460, 1813234920]

約数ペア:

[(1, 1813234920), (2, 906617460), (3, 604411640), (4, 453308730), (5, 362646984), (6, 302205820), (7, 259033560), (8, 226654365), (10, 181323492), (12, 151102910), (14, 129516780), (15, 120882328), (20, 90661746), (21, 86344520), (24, 75551455), (28, 64758390), (30, 60441164), (35, 51806712), (40, 45330873), (42, 43172260), (56, 32379195), (60, 30220582), (70, 25903356), (71, 25538520), (84, 21586130), (105, 17268904), (120, 15110291), (140, 12951678), (142, 12769260), (168, 10793065), (210, 8634452), (213, 8512840), (280, 6475839), (284, 6384630), (355, 5107704), (420, 4317226), (426, 4256420), (497, 3648360), (568, 3192315), (710, 2553852), (840, 2158613), (852, 2128210), (994, 1824180), (1065, 1702568), (1420, 1276926), (1491, 1216120), (1704, 1064105), (1988, 912090), (2130, 851284), (2485, 729672), (2840, 638463), (2982, 608060), (3976, 456045), (4260, 425642), (4970, 364836), (5964, 304030), (7455, 243224), (8520, 212821), (9940, 182418), (11928, 152015), (14910, 121612), (19880, 91209), (29820, 60806), (30403, 59640)]