87177580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 220631040

約数和(自身を除く): 133453460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 106, 124, 140, 155, 212, 217, 265, 310, 371, 379, 434, 530, 620, 742, 758, 868, 1060, 1085, 1484, 1516, 1643, 1855, 1895, 2170, 2653, 3286, 3710, 3790, 4340, 5306, 6572, 7420, 7580, 8215, 10612, 11501, 11749, 13265, 16430, 20087, 23002, 23498, 26530, 32860, 40174, 46004, 46996, 53060, 57505, 58745, 80348, 82243, 100435, 115010, 117490, 140609, 164486, 200870, 230020, 234980, 281218, 328972, 401740, 411215, 562436, 622697, 703045, 822430, 1245394, 1406090, 1644860, 2490788, 2812180, 3113485, 4358879, 6226970, 8717758, 12453940, 17435516, 21794395, 43588790, 87177580]

約数ペア:

[(1, 87177580), (2, 43588790), (4, 21794395), (5, 17435516), (7, 12453940), (10, 8717758), (14, 6226970), (20, 4358879), (28, 3113485), (31, 2812180), (35, 2490788), (53, 1644860), (62, 1406090), (70, 1245394), (106, 822430), (124, 703045), (140, 622697), (155, 562436), (212, 411215), (217, 401740), (265, 328972), (310, 281218), (371, 234980), (379, 230020), (434, 200870), (530, 164486), (620, 140609), (742, 117490), (758, 115010), (868, 100435), (1060, 82243), (1085, 80348), (1484, 58745), (1516, 57505), (1643, 53060), (1855, 46996), (1895, 46004), (2170, 40174), (2653, 32860), (3286, 26530), (3710, 23498), (3790, 23002), (4340, 20087), (5306, 16430), (6572, 13265), (7420, 11749), (7580, 11501), (8215, 10612)]