15685540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 38497536

約数和(自身を除く): 22811996

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 61, 65, 86, 92, 115, 122, 130, 172, 215, 230, 244, 260, 299, 305, 430, 460, 559, 598, 610, 793, 860, 989, 1118, 1196, 1220, 1403, 1495, 1586, 1978, 2236, 2623, 2795, 2806, 2990, 3172, 3956, 3965, 4945, 5246, 5590, 5612, 5980, 7015, 7930, 9890, 10492, 11180, 12857, 13115, 14030, 15860, 18239, 19780, 25714, 26230, 28060, 34099, 36478, 51428, 52460, 60329, 64285, 68198, 72956, 91195, 120658, 128570, 136396, 170495, 182390, 241316, 257140, 301645, 340990, 364780, 603290, 681980, 784277, 1206580, 1568554, 3137108, 3921385, 7842770, 15685540]

約数ペア:

[(1, 15685540), (2, 7842770), (4, 3921385), (5, 3137108), (10, 1568554), (13, 1206580), (20, 784277), (23, 681980), (26, 603290), (43, 364780), (46, 340990), (52, 301645), (61, 257140), (65, 241316), (86, 182390), (92, 170495), (115, 136396), (122, 128570), (130, 120658), (172, 91195), (215, 72956), (230, 68198), (244, 64285), (260, 60329), (299, 52460), (305, 51428), (430, 36478), (460, 34099), (559, 28060), (598, 26230), (610, 25714), (793, 19780), (860, 18239), (989, 15860), (1118, 14030), (1196, 13115), (1220, 12857), (1403, 11180), (1495, 10492), (1586, 9890), (1978, 7930), (2236, 7015), (2623, 5980), (2795, 5612), (2806, 5590), (2990, 5246), (3172, 4945), (3956, 3965)]