1631656580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 3641954400

約数和(自身を除く): 2010297820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 89, 116, 145, 146, 178, 290, 292, 356, 365, 433, 445, 580, 730, 866, 890, 1460, 1732, 1780, 2117, 2165, 2581, 4234, 4330, 5162, 6497, 8468, 8660, 10324, 10585, 12557, 12905, 12994, 21170, 25114, 25810, 25988, 31609, 32485, 38537, 42340, 50228, 51620, 62785, 63218, 64970, 77074, 125570, 126436, 129940, 154148, 158045, 188413, 192685, 251140, 316090, 376826, 385370, 632180, 753652, 770740, 916661, 942065, 1117573, 1833322, 1884130, 2235146, 2813201, 3666644, 3768260, 4470292, 4583305, 5587865, 5626402, 9166610, 11175730, 11252804, 14066005, 18333220, 22351460, 28132010, 56264020, 81582829, 163165658, 326331316, 407914145, 815828290, 1631656580]

約数ペア:

[(1, 1631656580), (2, 815828290), (4, 407914145), (5, 326331316), (10, 163165658), (20, 81582829), (29, 56264020), (58, 28132010), (73, 22351460), (89, 18333220), (116, 14066005), (145, 11252804), (146, 11175730), (178, 9166610), (290, 5626402), (292, 5587865), (356, 4583305), (365, 4470292), (433, 3768260), (445, 3666644), (580, 2813201), (730, 2235146), (866, 1884130), (890, 1833322), (1460, 1117573), (1732, 942065), (1780, 916661), (2117, 770740), (2165, 753652), (2581, 632180), (4234, 385370), (4330, 376826), (5162, 316090), (6497, 251140), (8468, 192685), (8660, 188413), (10324, 158045), (10585, 154148), (12557, 129940), (12905, 126436), (12994, 125570), (21170, 77074), (25114, 64970), (25810, 63218), (25988, 62785), (31609, 51620), (32485, 50228), (38537, 42340)]