20144721880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2237}}^1$

素因数の和:2342

約数の個数: 192

約数和(自身を含む): 51942189600

約数和(自身を除く): 31797467720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 41, 68, 76, 82, 85, 95, 136, 152, 164, 170, 190, 205, 289, 323, 328, 340, 380, 410, 578, 646, 680, 697, 760, 779, 820, 1156, 1292, 1394, 1445, 1558, 1615, 1640, 2237, 2312, 2584, 2788, 2890, 3116, 3230, 3485, 3895, 4474, 5491, 5576, 5780, 6232, 6460, 6970, 7790, 8948, 10982, 11185, 11560, 11849, 12920, 13243, 13940, 15580, 17896, 21964, 22370, 23698, 26486, 27455, 27880, 31160, 38029, 42503, 43928, 44740, 47396, 52972, 54910, 59245, 66215, 76058, 85006, 89480, 91717, 94792, 105944, 109820, 118490, 132430, 152116, 170012, 183434, 190145, 212515, 219640, 225131, 236980, 264860, 304232, 340024, 366868, 380290, 425030, 450262, 458585, 473960, 529720, 646493, 722551, 733736, 760580, 850060, 900524, 917170, 1125655, 1292986, 1445102, 1521160, 1559189, 1700120, 1742623, 1801048, 1834340, 2251310, 2585972, 2890204, 3118378, 3232465, 3485246, 3612755, 3668680, 4502620, 5171944, 5780408, 6236756, 6464930, 6970492, 7225510, 7795945, 8713115, 9005240, 12283367, 12473512, 12929860, 13940984, 14451020, 15591890, 17426230, 24566734, 25859720, 26506213, 28902040, 29624591, 31183780, 34852460, 49133468, 53012426, 59249182, 61416835, 62367560, 69704920, 98266936, 106024852, 118498364, 122833670, 132531065, 148122955, 212049704, 236996728, 245667340, 265062130, 296245910, 491334680, 503618047, 530124260, 592491820, 1007236094, 1060248520, 1184983640, 2014472188, 2518090235, 4028944376, 5036180470, 10072360940, 20144721880]

約数ペア:

[(1, 20144721880), (2, 10072360940), (4, 5036180470), (5, 4028944376), (8, 2518090235), (10, 2014472188), (17, 1184983640), (19, 1060248520), (20, 1007236094), (34, 592491820), (38, 530124260), (40, 503618047), (41, 491334680), (68, 296245910), (76, 265062130), (82, 245667340), (85, 236996728), (95, 212049704), (136, 148122955), (152, 132531065), (164, 122833670), (170, 118498364), (190, 106024852), (205, 98266936), (289, 69704920), (323, 62367560), (328, 61416835), (340, 59249182), (380, 53012426), (410, 49133468), (578, 34852460), (646, 31183780), (680, 29624591), (697, 28902040), (760, 26506213), (779, 25859720), (820, 24566734), (1156, 17426230), (1292, 15591890), (1394, 14451020), (1445, 13940984), (1558, 12929860), (1615, 12473512), (1640, 12283367), (2237, 9005240), (2312, 8713115), (2584, 7795945), (2788, 7225510), (2890, 6970492), (3116, 6464930), (3230, 6236756), (3485, 5780408), (3895, 5171944), (4474, 4502620), (5491, 3668680), (5576, 3612755), (5780, 3485246), (6232, 3232465), (6460, 3118378), (6970, 2890204), (7790, 2585972), (8948, 2251310), (10982, 1834340), (11185, 1801048), (11560, 1742623), (11849, 1700120), (12920, 1559189), (13243, 1521160), (13940, 1445102), (15580, 1292986), (17896, 1125655), (21964, 917170), (22370, 900524), (23698, 850060), (26486, 760580), (27455, 733736), (27880, 722551), (31160, 646493), (38029, 529720), (42503, 473960), (43928, 458585), (44740, 450262), (47396, 425030), (52972, 380290), (54910, 366868), (59245, 340024), (66215, 304232), (76058, 264860), (85006, 236980), (89480, 225131), (91717, 219640), (94792, 212515), (105944, 190145), (109820, 183434), (118490, 170012), (132430, 152116)]