1891569160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{433}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 4759695360

約数和(自身を除く): 2868126200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 271, 310, 403, 433, 520, 542, 620, 806, 866, 1084, 1240, 1355, 1612, 1732, 2015, 2165, 2168, 2710, 3224, 3464, 3523, 4030, 4330, 5420, 5629, 7046, 8060, 8401, 8660, 10840, 11258, 13423, 14092, 16120, 16802, 17320, 17615, 22516, 26846, 28145, 28184, 33604, 35230, 42005, 45032, 53692, 56290, 67115, 67208, 70460, 84010, 107384, 109213, 112580, 117343, 134230, 140920, 168020, 174499, 218426, 225160, 234686, 268460, 336040, 348998, 436852, 469372, 536920, 546065, 586715, 697996, 872495, 873704, 938744, 1092130, 1173430, 1395992, 1525459, 1744990, 2184260, 2346860, 3050918, 3489980, 3637633, 4368520, 4693720, 6101836, 6979960, 7275266, 7627295, 12203672, 14550532, 15254590, 18188165, 29101064, 30509180, 36376330, 47289229, 61018360, 72752660, 94578458, 145505320, 189156916, 236446145, 378313832, 472892290, 945784580, 1891569160]

約数ペア:

[(1, 1891569160), (2, 945784580), (4, 472892290), (5, 378313832), (8, 236446145), (10, 189156916), (13, 145505320), (20, 94578458), (26, 72752660), (31, 61018360), (40, 47289229), (52, 36376330), (62, 30509180), (65, 29101064), (104, 18188165), (124, 15254590), (130, 14550532), (155, 12203672), (248, 7627295), (260, 7275266), (271, 6979960), (310, 6101836), (403, 4693720), (433, 4368520), (520, 3637633), (542, 3489980), (620, 3050918), (806, 2346860), (866, 2184260), (1084, 1744990), (1240, 1525459), (1355, 1395992), (1612, 1173430), (1732, 1092130), (2015, 938744), (2165, 873704), (2168, 872495), (2710, 697996), (3224, 586715), (3464, 546065), (3523, 536920), (4030, 469372), (4330, 436852), (5420, 348998), (5629, 336040), (7046, 268460), (8060, 234686), (8401, 225160), (8660, 218426), (10840, 174499), (11258, 168020), (13423, 140920), (14092, 134230), (16120, 117343), (16802, 112580), (17320, 109213), (17615, 107384), (22516, 84010), (26846, 70460), (28145, 67208), (28184, 67115), (33604, 56290), (35230, 53692), (42005, 45032)]