161486520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1697}}^1$

素因数の和:1785

約数の個数: 128

約数和(自身を含む): 530591040

約数和(自身を除く): 369104520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 61, 65, 78, 104, 120, 122, 130, 156, 183, 195, 244, 260, 305, 312, 366, 390, 488, 520, 610, 732, 780, 793, 915, 1220, 1464, 1560, 1586, 1697, 1830, 2379, 2440, 3172, 3394, 3660, 3965, 4758, 5091, 6344, 6788, 7320, 7930, 8485, 9516, 10182, 11895, 13576, 15860, 16970, 19032, 20364, 22061, 23790, 25455, 31720, 33940, 40728, 44122, 47580, 50910, 66183, 67880, 88244, 95160, 101820, 103517, 110305, 132366, 176488, 203640, 207034, 220610, 264732, 310551, 330915, 414068, 441220, 517585, 529464, 621102, 661830, 828136, 882440, 1035170, 1242204, 1323660, 1345721, 1552755, 2070340, 2484408, 2647320, 2691442, 3105510, 4037163, 4140680, 5382884, 6211020, 6728605, 8074326, 10765768, 12422040, 13457210, 16148652, 20185815, 26914420, 32297304, 40371630, 53828840, 80743260, 161486520]

約数ペア:

[(1, 161486520), (2, 80743260), (3, 53828840), (4, 40371630), (5, 32297304), (6, 26914420), (8, 20185815), (10, 16148652), (12, 13457210), (13, 12422040), (15, 10765768), (20, 8074326), (24, 6728605), (26, 6211020), (30, 5382884), (39, 4140680), (40, 4037163), (52, 3105510), (60, 2691442), (61, 2647320), (65, 2484408), (78, 2070340), (104, 1552755), (120, 1345721), (122, 1323660), (130, 1242204), (156, 1035170), (183, 882440), (195, 828136), (244, 661830), (260, 621102), (305, 529464), (312, 517585), (366, 441220), (390, 414068), (488, 330915), (520, 310551), (610, 264732), (732, 220610), (780, 207034), (793, 203640), (915, 176488), (1220, 132366), (1464, 110305), (1560, 103517), (1586, 101820), (1697, 95160), (1830, 88244), (2379, 67880), (2440, 66183), (3172, 50910), (3394, 47580), (3660, 44122), (3965, 40728), (4758, 33940), (5091, 31720), (6344, 25455), (6788, 23790), (7320, 22061), (7930, 20364), (8485, 19032), (9516, 16970), (10182, 15860), (11895, 13576)]