15999620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 42336000

約数和(自身を除く): 26336380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 59, 65, 70, 91, 118, 130, 140, 149, 182, 236, 260, 295, 298, 364, 413, 455, 590, 596, 745, 767, 826, 910, 1043, 1180, 1490, 1534, 1652, 1820, 1937, 2065, 2086, 2980, 3068, 3835, 3874, 4130, 4172, 5215, 5369, 7670, 7748, 8260, 8791, 9685, 10430, 10738, 13559, 15340, 17582, 19370, 20860, 21476, 26845, 27118, 35164, 38740, 43955, 53690, 54236, 61537, 67795, 87910, 107380, 114283, 123074, 135590, 175820, 228566, 246148, 271180, 307685, 457132, 571415, 615370, 799981, 1142830, 1230740, 1599962, 2285660, 3199924, 3999905, 7999810, 15999620]

約数ペア:

[(1, 15999620), (2, 7999810), (4, 3999905), (5, 3199924), (7, 2285660), (10, 1599962), (13, 1230740), (14, 1142830), (20, 799981), (26, 615370), (28, 571415), (35, 457132), (52, 307685), (59, 271180), (65, 246148), (70, 228566), (91, 175820), (118, 135590), (130, 123074), (140, 114283), (149, 107380), (182, 87910), (236, 67795), (260, 61537), (295, 54236), (298, 53690), (364, 43955), (413, 38740), (455, 35164), (590, 27118), (596, 26845), (745, 21476), (767, 20860), (826, 19370), (910, 17582), (1043, 15340), (1180, 13559), (1490, 10738), (1534, 10430), (1652, 9685), (1820, 8791), (1937, 8260), (2065, 7748), (2086, 7670), (2980, 5369), (3068, 5215), (3835, 4172), (3874, 4130)]