19973156640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{50683}}^1$

素因数の和:51522

約数の個数: 96

約数和(自身を含む): 62993318976

約数和(自身を除く): 43020162336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 821, 1642, 2463, 3284, 4105, 4926, 6568, 8210, 9852, 12315, 13136, 16420, 19704, 24630, 26272, 32840, 39408, 49260, 50683, 65680, 78816, 98520, 101366, 131360, 152049, 197040, 202732, 253415, 304098, 394080, 405464, 506830, 608196, 760245, 810928, 1013660, 1216392, 1520490, 1621856, 2027320, 2432784, 3040980, 4054640, 4865568, 6081960, 8109280, 12163920, 24327840, 41610743, 83221486, 124832229, 166442972, 208053715, 249664458, 332885944, 416107430, 499328916, 624161145, 665771888, 832214860, 998657832, 1248322290, 1331543776, 1664429720, 1997315664, 2496644580, 3328859440, 3994631328, 4993289160, 6657718880, 9986578320, 19973156640]

約数ペア:

[(1, 19973156640), (2, 9986578320), (3, 6657718880), (4, 4993289160), (5, 3994631328), (6, 3328859440), (8, 2496644580), (10, 1997315664), (12, 1664429720), (15, 1331543776), (16, 1248322290), (20, 998657832), (24, 832214860), (30, 665771888), (32, 624161145), (40, 499328916), (48, 416107430), (60, 332885944), (80, 249664458), (96, 208053715), (120, 166442972), (160, 124832229), (240, 83221486), (480, 41610743), (821, 24327840), (1642, 12163920), (2463, 8109280), (3284, 6081960), (4105, 4865568), (4926, 4054640), (6568, 3040980), (8210, 2432784), (9852, 2027320), (12315, 1621856), (13136, 1520490), (16420, 1216392), (19704, 1013660), (24630, 810928), (26272, 760245), (32840, 608196), (39408, 506830), (49260, 405464), (50683, 394080), (65680, 304098), (78816, 253415), (98520, 202732), (101366, 197040), (131360, 152049)]