15820540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 38707200

約数和(自身を除く): 22886660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 31, 34, 38, 62, 68, 76, 79, 85, 95, 124, 155, 158, 170, 190, 310, 316, 323, 340, 380, 395, 527, 589, 620, 646, 790, 1054, 1178, 1292, 1343, 1501, 1580, 1615, 2108, 2356, 2449, 2635, 2686, 2945, 3002, 3230, 4898, 5270, 5372, 5890, 6004, 6460, 6715, 7505, 9796, 10013, 10540, 11780, 12245, 13430, 15010, 20026, 24490, 25517, 26860, 30020, 40052, 41633, 46531, 48980, 50065, 51034, 83266, 93062, 100130, 102068, 127585, 166532, 186124, 200260, 208165, 232655, 255170, 416330, 465310, 510340, 791027, 832660, 930620, 1582054, 3164108, 3955135, 7910270, 15820540]

約数ペア:

[(1, 15820540), (2, 7910270), (4, 3955135), (5, 3164108), (10, 1582054), (17, 930620), (19, 832660), (20, 791027), (31, 510340), (34, 465310), (38, 416330), (62, 255170), (68, 232655), (76, 208165), (79, 200260), (85, 186124), (95, 166532), (124, 127585), (155, 102068), (158, 100130), (170, 93062), (190, 83266), (310, 51034), (316, 50065), (323, 48980), (340, 46531), (380, 41633), (395, 40052), (527, 30020), (589, 26860), (620, 25517), (646, 24490), (790, 20026), (1054, 15010), (1178, 13430), (1292, 12245), (1343, 11780), (1501, 10540), (1580, 10013), (1615, 9796), (2108, 7505), (2356, 6715), (2449, 6460), (2635, 6004), (2686, 5890), (2945, 5372), (3002, 5270), (3230, 4898)]