123365120

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3161

約数の個数: 72

約数和(自身を含む): 305128320

約数和(自身を除く): 181763200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3109, 3968, 4960, 6218, 7936, 9920, 12436, 15545, 19840, 24872, 31090, 39680, 49744, 62180, 96379, 99488, 124360, 192758, 198976, 248720, 385516, 397952, 481895, 497440, 771032, 795904, 963790, 994880, 1542064, 1927580, 1989760, 3084128, 3855160, 3979520, 6168256, 7710320, 12336512, 15420640, 24673024, 30841280, 61682560, 123365120]

約数ペア:

[(1, 123365120), (2, 61682560), (4, 30841280), (5, 24673024), (8, 15420640), (10, 12336512), (16, 7710320), (20, 6168256), (31, 3979520), (32, 3855160), (40, 3084128), (62, 1989760), (64, 1927580), (80, 1542064), (124, 994880), (128, 963790), (155, 795904), (160, 771032), (248, 497440), (256, 481895), (310, 397952), (320, 385516), (496, 248720), (620, 198976), (640, 192758), (992, 124360), (1240, 99488), (1280, 96379), (1984, 62180), (2480, 49744), (3109, 39680), (3968, 31090), (4960, 24872), (6218, 19840), (7936, 15545), (9920, 12436)]