1808040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 6249600

約数和(自身を除く): 4441560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 61, 65, 76, 78, 95, 104, 114, 120, 122, 130, 152, 156, 183, 190, 195, 228, 244, 247, 260, 285, 305, 312, 366, 380, 390, 456, 488, 494, 520, 570, 610, 732, 741, 760, 780, 793, 915, 988, 1140, 1159, 1220, 1235, 1464, 1482, 1560, 1586, 1830, 1976, 2280, 2318, 2379, 2440, 2470, 2964, 3172, 3477, 3660, 3705, 3965, 4636, 4758, 4940, 5795, 5928, 6344, 6954, 7320, 7410, 7930, 9272, 9516, 9880, 11590, 11895, 13908, 14820, 15067, 15860, 17385, 19032, 23180, 23790, 27816, 29640, 30134, 31720, 34770, 45201, 46360, 47580, 60268, 69540, 75335, 90402, 95160, 120536, 139080, 150670, 180804, 226005, 301340, 361608, 452010, 602680, 904020, 1808040]

約数ペア:

[(1, 1808040), (2, 904020), (3, 602680), (4, 452010), (5, 361608), (6, 301340), (8, 226005), (10, 180804), (12, 150670), (13, 139080), (15, 120536), (19, 95160), (20, 90402), (24, 75335), (26, 69540), (30, 60268), (38, 47580), (39, 46360), (40, 45201), (52, 34770), (57, 31720), (60, 30134), (61, 29640), (65, 27816), (76, 23790), (78, 23180), (95, 19032), (104, 17385), (114, 15860), (120, 15067), (122, 14820), (130, 13908), (152, 11895), (156, 11590), (183, 9880), (190, 9516), (195, 9272), (228, 7930), (244, 7410), (247, 7320), (260, 6954), (285, 6344), (305, 5928), (312, 5795), (366, 4940), (380, 4758), (390, 4636), (456, 3965), (488, 3705), (494, 3660), (520, 3477), (570, 3172), (610, 2964), (732, 2470), (741, 2440), (760, 2379), (780, 2318), (793, 2280), (915, 1976), (988, 1830), (1140, 1586), (1159, 1560), (1220, 1482), (1235, 1464)]