18315960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 60480000

約数和(自身を除く): 42164040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 199, 236, 260, 295, 312, 354, 390, 398, 472, 520, 590, 597, 708, 767, 780, 796, 885, 995, 1180, 1194, 1416, 1534, 1560, 1592, 1770, 1990, 2301, 2360, 2388, 2587, 2985, 3068, 3540, 3835, 3980, 4602, 4776, 5174, 5970, 6136, 7080, 7670, 7761, 7960, 9204, 10348, 11505, 11741, 11940, 12935, 15340, 15522, 18408, 20696, 23010, 23482, 23880, 25870, 30680, 31044, 35223, 38805, 46020, 46964, 51740, 58705, 62088, 70446, 77610, 92040, 93928, 103480, 117410, 140892, 152633, 155220, 176115, 234820, 281784, 305266, 310440, 352230, 457899, 469640, 610532, 704460, 763165, 915798, 1221064, 1408920, 1526330, 1831596, 2289495, 3052660, 3663192, 4578990, 6105320, 9157980, 18315960]

約数ペア:

[(1, 18315960), (2, 9157980), (3, 6105320), (4, 4578990), (5, 3663192), (6, 3052660), (8, 2289495), (10, 1831596), (12, 1526330), (13, 1408920), (15, 1221064), (20, 915798), (24, 763165), (26, 704460), (30, 610532), (39, 469640), (40, 457899), (52, 352230), (59, 310440), (60, 305266), (65, 281784), (78, 234820), (104, 176115), (118, 155220), (120, 152633), (130, 140892), (156, 117410), (177, 103480), (195, 93928), (199, 92040), (236, 77610), (260, 70446), (295, 62088), (312, 58705), (354, 51740), (390, 46964), (398, 46020), (472, 38805), (520, 35223), (590, 31044), (597, 30680), (708, 25870), (767, 23880), (780, 23482), (796, 23010), (885, 20696), (995, 18408), (1180, 15522), (1194, 15340), (1416, 12935), (1534, 11940), (1560, 11741), (1592, 11505), (1770, 10348), (1990, 9204), (2301, 7960), (2360, 7761), (2388, 7670), (2587, 7080), (2985, 6136), (3068, 5970), (3540, 5174), (3835, 4776), (3980, 4602)]