77877580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 194181120

約数和(自身を除く): 116303540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 124, 155, 190, 209, 220, 310, 341, 380, 418, 589, 601, 620, 682, 836, 1045, 1178, 1202, 1364, 1705, 2090, 2356, 2404, 2945, 3005, 3410, 4180, 5890, 6010, 6479, 6611, 6820, 11419, 11780, 12020, 12958, 13222, 18631, 22838, 25916, 26444, 32395, 33055, 37262, 45676, 57095, 64790, 66110, 74524, 93155, 114190, 125609, 129580, 132220, 186310, 204941, 228380, 251218, 353989, 372620, 409882, 502436, 628045, 707978, 819764, 1024705, 1256090, 1415956, 1769945, 2049410, 2512180, 3539890, 3893879, 4098820, 7079780, 7787758, 15575516, 19469395, 38938790, 77877580]

約数ペア:

[(1, 77877580), (2, 38938790), (4, 19469395), (5, 15575516), (10, 7787758), (11, 7079780), (19, 4098820), (20, 3893879), (22, 3539890), (31, 2512180), (38, 2049410), (44, 1769945), (55, 1415956), (62, 1256090), (76, 1024705), (95, 819764), (110, 707978), (124, 628045), (155, 502436), (190, 409882), (209, 372620), (220, 353989), (310, 251218), (341, 228380), (380, 204941), (418, 186310), (589, 132220), (601, 129580), (620, 125609), (682, 114190), (836, 93155), (1045, 74524), (1178, 66110), (1202, 64790), (1364, 57095), (1705, 45676), (2090, 37262), (2356, 33055), (2404, 32395), (2945, 26444), (3005, 25916), (3410, 22838), (4180, 18631), (5890, 13222), (6010, 12958), (6479, 12020), (6611, 11780), (6820, 11419)]