17960460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 60328800

約数和(自身を除く): 42368340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 149, 164, 196, 205, 210, 245, 246, 287, 294, 298, 410, 420, 447, 490, 492, 574, 588, 596, 615, 735, 745, 820, 861, 894, 980, 1043, 1148, 1230, 1435, 1470, 1490, 1722, 1788, 2009, 2086, 2235, 2460, 2870, 2940, 2980, 3129, 3444, 4018, 4172, 4305, 4470, 5215, 5740, 6027, 6109, 6258, 7301, 8036, 8610, 8940, 10045, 10430, 12054, 12218, 12516, 14602, 15645, 17220, 18327, 20090, 20860, 21903, 24108, 24436, 29204, 30135, 30545, 31290, 36505, 36654, 40180, 42763, 43806, 60270, 61090, 62580, 73010, 73308, 85526, 87612, 91635, 109515, 120540, 122180, 128289, 146020, 171052, 183270, 213815, 219030, 256578, 299341, 366540, 427630, 438060, 513156, 598682, 641445, 855260, 898023, 1197364, 1282890, 1496705, 1796046, 2565780, 2993410, 3592092, 4490115, 5986820, 8980230, 17960460]

約数ペア:

[(1, 17960460), (2, 8980230), (3, 5986820), (4, 4490115), (5, 3592092), (6, 2993410), (7, 2565780), (10, 1796046), (12, 1496705), (14, 1282890), (15, 1197364), (20, 898023), (21, 855260), (28, 641445), (30, 598682), (35, 513156), (41, 438060), (42, 427630), (49, 366540), (60, 299341), (70, 256578), (82, 219030), (84, 213815), (98, 183270), (105, 171052), (123, 146020), (140, 128289), (147, 122180), (149, 120540), (164, 109515), (196, 91635), (205, 87612), (210, 85526), (245, 73308), (246, 73010), (287, 62580), (294, 61090), (298, 60270), (410, 43806), (420, 42763), (447, 40180), (490, 36654), (492, 36505), (574, 31290), (588, 30545), (596, 30135), (615, 29204), (735, 24436), (745, 24108), (820, 21903), (861, 20860), (894, 20090), (980, 18327), (1043, 17220), (1148, 15645), (1230, 14602), (1435, 12516), (1470, 12218), (1490, 12054), (1722, 10430), (1788, 10045), (2009, 8940), (2086, 8610), (2235, 8036), (2460, 7301), (2870, 6258), (2940, 6109), (2980, 6027), (3129, 5740), (3444, 5215), (4018, 4470), (4172, 4305)]