123709840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 300980736

約数和(自身を除く): 177270896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 83, 124, 155, 166, 248, 310, 332, 415, 496, 601, 620, 664, 830, 1202, 1240, 1328, 1660, 2404, 2480, 2573, 3005, 3320, 4808, 5146, 6010, 6640, 9616, 10292, 12020, 12865, 18631, 20584, 24040, 25730, 37262, 41168, 48080, 49883, 51460, 74524, 93155, 99766, 102920, 149048, 186310, 199532, 205840, 249415, 298096, 372620, 399064, 498830, 745240, 798128, 997660, 1490480, 1546373, 1995320, 3092746, 3990640, 6185492, 7731865, 12370984, 15463730, 24741968, 30927460, 61854920, 123709840]

約数ペア:

[(1, 123709840), (2, 61854920), (4, 30927460), (5, 24741968), (8, 15463730), (10, 12370984), (16, 7731865), (20, 6185492), (31, 3990640), (40, 3092746), (62, 1995320), (80, 1546373), (83, 1490480), (124, 997660), (155, 798128), (166, 745240), (248, 498830), (310, 399064), (332, 372620), (415, 298096), (496, 249415), (601, 205840), (620, 199532), (664, 186310), (830, 149048), (1202, 102920), (1240, 99766), (1328, 93155), (1660, 74524), (2404, 51460), (2480, 49883), (2573, 48080), (3005, 41168), (3320, 37262), (4808, 25730), (5146, 24040), (6010, 20584), (6640, 18631), (9616, 12865), (10292, 12020)]