15529840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 40309920

約数和(自身を除く): 24780080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 601, 646, 680, 760, 1202, 1292, 1360, 1520, 1615, 2404, 2584, 3005, 3230, 4808, 5168, 6010, 6460, 9616, 10217, 11419, 12020, 12920, 20434, 22838, 24040, 25840, 40868, 45676, 48080, 51085, 57095, 81736, 91352, 102170, 114190, 163472, 182704, 194123, 204340, 228380, 388246, 408680, 456760, 776492, 817360, 913520, 970615, 1552984, 1941230, 3105968, 3882460, 7764920, 15529840]

約数ペア:

[(1, 15529840), (2, 7764920), (4, 3882460), (5, 3105968), (8, 1941230), (10, 1552984), (16, 970615), (17, 913520), (19, 817360), (20, 776492), (34, 456760), (38, 408680), (40, 388246), (68, 228380), (76, 204340), (80, 194123), (85, 182704), (95, 163472), (136, 114190), (152, 102170), (170, 91352), (190, 81736), (272, 57095), (304, 51085), (323, 48080), (340, 45676), (380, 40868), (601, 25840), (646, 24040), (680, 22838), (760, 20434), (1202, 12920), (1292, 12020), (1360, 11419), (1520, 10217), (1615, 9616), (2404, 6460), (2584, 6010), (3005, 5168), (3230, 4808)]