18783180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 45426420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 349, 390, 414, 460, 468, 585, 598, 690, 698, 780, 828, 897, 1035, 1047, 1170, 1196, 1380, 1396, 1495, 1745, 1794, 2070, 2094, 2340, 2691, 2990, 3141, 3490, 3588, 4140, 4188, 4485, 4537, 5235, 5382, 5980, 6282, 6980, 8027, 8970, 9074, 10470, 10764, 12564, 13455, 13611, 15705, 16054, 17940, 18148, 20940, 22685, 24081, 26910, 27222, 31410, 32108, 40135, 40833, 45370, 48162, 53820, 54444, 62820, 68055, 72243, 80270, 81666, 90740, 96324, 104351, 120405, 136110, 144486, 160540, 163332, 204165, 208702, 240810, 272220, 288972, 313053, 361215, 408330, 417404, 481620, 521755, 626106, 722430, 816660, 939159, 1043510, 1252212, 1444860, 1565265, 1878318, 2087020, 3130530, 3756636, 4695795, 6261060, 9391590, 18783180]

約数ペア:

[(1, 18783180), (2, 9391590), (3, 6261060), (4, 4695795), (5, 3756636), (6, 3130530), (9, 2087020), (10, 1878318), (12, 1565265), (13, 1444860), (15, 1252212), (18, 1043510), (20, 939159), (23, 816660), (26, 722430), (30, 626106), (36, 521755), (39, 481620), (45, 417404), (46, 408330), (52, 361215), (60, 313053), (65, 288972), (69, 272220), (78, 240810), (90, 208702), (92, 204165), (115, 163332), (117, 160540), (130, 144486), (138, 136110), (156, 120405), (180, 104351), (195, 96324), (207, 90740), (230, 81666), (234, 80270), (260, 72243), (276, 68055), (299, 62820), (345, 54444), (349, 53820), (390, 48162), (414, 45370), (460, 40833), (468, 40135), (585, 32108), (598, 31410), (690, 27222), (698, 26910), (780, 24081), (828, 22685), (897, 20940), (1035, 18148), (1047, 17940), (1170, 16054), (1196, 15705), (1380, 13611), (1396, 13455), (1495, 12564), (1745, 10764), (1794, 10470), (2070, 9074), (2094, 8970), (2340, 8027), (2691, 6980), (2990, 6282), (3141, 5980), (3490, 5382), (3588, 5235), (4140, 4537), (4188, 4485)]