260021970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 144

約数和(自身を含む): 774413640

約数和(自身を除く): 514391670

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 289, 306, 390, 442, 510, 578, 585, 663, 765, 769, 867, 1105, 1170, 1326, 1445, 1530, 1538, 1734, 1989, 2210, 2307, 2601, 2890, 3315, 3757, 3845, 3978, 4335, 4614, 5202, 6630, 6921, 7514, 7690, 8670, 9945, 9997, 11271, 11535, 13005, 13073, 13842, 18785, 19890, 19994, 22542, 23070, 26010, 26146, 29991, 33813, 34605, 37570, 39219, 49985, 56355, 59982, 65365, 67626, 69210, 78438, 89973, 99970, 112710, 117657, 130730, 149955, 169065, 169949, 179946, 196095, 222241, 235314, 299910, 338130, 339898, 392190, 444482, 449865, 509847, 588285, 666723, 849745, 899730, 1019694, 1111205, 1176570, 1333446, 1529541, 1699490, 2000169, 2222410, 2549235, 2889133, 3059082, 3333615, 4000338, 5098470, 5778266, 6667230, 7647705, 8667399, 10000845, 14445665, 15295410, 17334798, 20001690, 26002197, 28891330, 43336995, 52004394, 86673990, 130010985, 260021970]

約数ペア:

[(1, 260021970), (2, 130010985), (3, 86673990), (5, 52004394), (6, 43336995), (9, 28891330), (10, 26002197), (13, 20001690), (15, 17334798), (17, 15295410), (18, 14445665), (26, 10000845), (30, 8667399), (34, 7647705), (39, 6667230), (45, 5778266), (51, 5098470), (65, 4000338), (78, 3333615), (85, 3059082), (90, 2889133), (102, 2549235), (117, 2222410), (130, 2000169), (153, 1699490), (170, 1529541), (195, 1333446), (221, 1176570), (234, 1111205), (255, 1019694), (289, 899730), (306, 849745), (390, 666723), (442, 588285), (510, 509847), (578, 449865), (585, 444482), (663, 392190), (765, 339898), (769, 338130), (867, 299910), (1105, 235314), (1170, 222241), (1326, 196095), (1445, 179946), (1530, 169949), (1538, 169065), (1734, 149955), (1989, 130730), (2210, 117657), (2307, 112710), (2601, 99970), (2890, 89973), (3315, 78438), (3757, 69210), (3845, 67626), (3978, 65365), (4335, 59982), (4614, 56355), (5202, 49985), (6630, 39219), (6921, 37570), (7514, 34605), (7690, 33813), (8670, 29991), (9945, 26146), (9997, 26010), (11271, 23070), (11535, 22542), (13005, 19994), (13073, 19890), (13842, 18785)]