71227780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 172617984

約数和(自身を除く): 101390204

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 43, 46, 52, 65, 86, 92, 115, 130, 172, 215, 230, 260, 277, 299, 430, 460, 554, 559, 598, 860, 989, 1108, 1118, 1196, 1385, 1495, 1978, 2236, 2770, 2795, 2990, 3601, 3956, 4945, 5540, 5590, 5980, 6371, 7202, 9890, 11180, 11911, 12742, 12857, 14404, 18005, 19780, 23822, 25484, 25714, 31855, 36010, 47644, 51428, 59555, 63710, 64285, 72020, 82823, 119110, 127420, 128570, 154843, 165646, 238220, 257140, 273953, 309686, 331292, 414115, 547906, 619372, 774215, 828230, 1095812, 1369765, 1548430, 1656460, 2739530, 3096860, 3561389, 5479060, 7122778, 14245556, 17806945, 35613890, 71227780]

約数ペア:

[(1, 71227780), (2, 35613890), (4, 17806945), (5, 14245556), (10, 7122778), (13, 5479060), (20, 3561389), (23, 3096860), (26, 2739530), (43, 1656460), (46, 1548430), (52, 1369765), (65, 1095812), (86, 828230), (92, 774215), (115, 619372), (130, 547906), (172, 414115), (215, 331292), (230, 309686), (260, 273953), (277, 257140), (299, 238220), (430, 165646), (460, 154843), (554, 128570), (559, 127420), (598, 119110), (860, 82823), (989, 72020), (1108, 64285), (1118, 63710), (1196, 59555), (1385, 51428), (1495, 47644), (1978, 36010), (2236, 31855), (2770, 25714), (2795, 25484), (2990, 23822), (3601, 19780), (3956, 18005), (4945, 14404), (5540, 12857), (5590, 12742), (5980, 11911), (6371, 11180), (7202, 9890)]