18051853040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{409}}^1$

素因数の和:540

約数の個数: 240

約数和(自身を含む): 48069423360

約数和(自身を除く): 30017570320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 185, 208, 248, 260, 296, 310, 370, 403, 409, 481, 496, 520, 592, 620, 740, 806, 818, 962, 1040, 1147, 1240, 1369, 1480, 1612, 1636, 1924, 2015, 2045, 2294, 2405, 2480, 2738, 2960, 3224, 3272, 3848, 4030, 4090, 4588, 4810, 5317, 5476, 5735, 6448, 6544, 6845, 7696, 8060, 8180, 9176, 9620, 10634, 10952, 11470, 12679, 13690, 14911, 15133, 16120, 16360, 17797, 18352, 19240, 21268, 21904, 22940, 25358, 26585, 27380, 29822, 30266, 32240, 32720, 35594, 38480, 42439, 42536, 45880, 50716, 53170, 54760, 59644, 60532, 63395, 71188, 74555, 75665, 84878, 85072, 88985, 91760, 101432, 106340, 109520, 119288, 121064, 126790, 142376, 149110, 151330, 164827, 169756, 177970, 196729, 202864, 212195, 212680, 238576, 242128, 253580, 284752, 298220, 302660, 329654, 339512, 355940, 393458, 424390, 425360, 469123, 507160, 551707, 559921, 596440, 605320, 659308, 679024, 711880, 786916, 824135, 848780, 938246, 983645, 1014320, 1103414, 1119842, 1192880, 1210640, 1318616, 1423760, 1573832, 1648270, 1697560, 1876492, 1967290, 2206828, 2239684, 2345615, 2637232, 2758535, 2799605, 3147664, 3296540, 3395120, 3752984, 3934580, 4413656, 4479368, 4691230, 5517070, 5599210, 6098599, 6593080, 7278973, 7505968, 7869160, 8827312, 8958736, 9382460, 11034140, 11198420, 12197198, 13186160, 14557946, 15738320, 17357551, 18764920, 22068280, 22396840, 24394396, 29115892, 30492995, 34715102, 36394865, 37529840, 44136560, 44793680, 48788792, 58231784, 60985990, 69430204, 72789730, 86787755, 97577584, 116463568, 121971980, 138860408, 145579460, 173575510, 225648163, 243943960, 277720816, 291158920, 347151020, 451296326, 487887920, 582317840, 694302040, 902592652, 1128240815, 1388604080, 1805185304, 2256481630, 3610370608, 4512963260, 9025926520, 18051853040]

約数ペア:

[(1, 18051853040), (2, 9025926520), (4, 4512963260), (5, 3610370608), (8, 2256481630), (10, 1805185304), (13, 1388604080), (16, 1128240815), (20, 902592652), (26, 694302040), (31, 582317840), (37, 487887920), (40, 451296326), (52, 347151020), (62, 291158920), (65, 277720816), (74, 243943960), (80, 225648163), (104, 173575510), (124, 145579460), (130, 138860408), (148, 121971980), (155, 116463568), (185, 97577584), (208, 86787755), (248, 72789730), (260, 69430204), (296, 60985990), (310, 58231784), (370, 48788792), (403, 44793680), (409, 44136560), (481, 37529840), (496, 36394865), (520, 34715102), (592, 30492995), (620, 29115892), (740, 24394396), (806, 22396840), (818, 22068280), (962, 18764920), (1040, 17357551), (1147, 15738320), (1240, 14557946), (1369, 13186160), (1480, 12197198), (1612, 11198420), (1636, 11034140), (1924, 9382460), (2015, 8958736), (2045, 8827312), (2294, 7869160), (2405, 7505968), (2480, 7278973), (2738, 6593080), (2960, 6098599), (3224, 5599210), (3272, 5517070), (3848, 4691230), (4030, 4479368), (4090, 4413656), (4588, 3934580), (4810, 3752984), (5317, 3395120), (5476, 3296540), (5735, 3147664), (6448, 2799605), (6544, 2758535), (6845, 2637232), (7696, 2345615), (8060, 2239684), (8180, 2206828), (9176, 1967290), (9620, 1876492), (10634, 1697560), (10952, 1648270), (11470, 1573832), (12679, 1423760), (13690, 1318616), (14911, 1210640), (15133, 1192880), (16120, 1119842), (16360, 1103414), (17797, 1014320), (18352, 983645), (19240, 938246), (21268, 848780), (21904, 824135), (22940, 786916), (25358, 711880), (26585, 679024), (27380, 659308), (29822, 605320), (30266, 596440), (32240, 559921), (32720, 551707), (35594, 507160), (38480, 469123), (42439, 425360), (42536, 424390), (45880, 393458), (50716, 355940), (53170, 339512), (54760, 329654), (59644, 302660), (60532, 298220), (63395, 284752), (71188, 253580), (74555, 242128), (75665, 238576), (84878, 212680), (85072, 212195), (88985, 202864), (91760, 196729), (101432, 177970), (106340, 169756), (109520, 164827), (119288, 151330), (121064, 149110), (126790, 142376)]