83840120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 239984640

約数和(自身を除く): 156144520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 743, 806, 868, 910, 1085, 1240, 1486, 1612, 1736, 1820, 2015, 2170, 2821, 2972, 3224, 3640, 3715, 4030, 4340, 5201, 5642, 5944, 7430, 8060, 8680, 9659, 10402, 11284, 14105, 14860, 16120, 19318, 20804, 22568, 23033, 26005, 28210, 29720, 38636, 41608, 46066, 48295, 52010, 56420, 67613, 77272, 92132, 96590, 104020, 112840, 115165, 135226, 161231, 184264, 193180, 208040, 230330, 270452, 299429, 322462, 338065, 386360, 460660, 540904, 598858, 644924, 676130, 806155, 921320, 1197716, 1289848, 1352260, 1497145, 1612310, 2096003, 2395432, 2704520, 2994290, 3224620, 4192006, 5988580, 6449240, 8384012, 10480015, 11977160, 16768024, 20960030, 41920060, 83840120]

約数ペア:

[(1, 83840120), (2, 41920060), (4, 20960030), (5, 16768024), (7, 11977160), (8, 10480015), (10, 8384012), (13, 6449240), (14, 5988580), (20, 4192006), (26, 3224620), (28, 2994290), (31, 2704520), (35, 2395432), (40, 2096003), (52, 1612310), (56, 1497145), (62, 1352260), (65, 1289848), (70, 1197716), (91, 921320), (104, 806155), (124, 676130), (130, 644924), (140, 598858), (155, 540904), (182, 460660), (217, 386360), (248, 338065), (260, 322462), (280, 299429), (310, 270452), (364, 230330), (403, 208040), (434, 193180), (455, 184264), (520, 161231), (620, 135226), (728, 115165), (743, 112840), (806, 104020), (868, 96590), (910, 92132), (1085, 77272), (1240, 67613), (1486, 56420), (1612, 52010), (1736, 48295), (1820, 46066), (2015, 41608), (2170, 38636), (2821, 29720), (2972, 28210), (3224, 26005), (3640, 23033), (3715, 22568), (4030, 20804), (4340, 19318), (5201, 16120), (5642, 14860), (5944, 14105), (7430, 11284), (8060, 10402), (8680, 9659)]