42805980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:716

約数の個数: 144

約数和(自身を含む): 151429824

約数和(自身を除く): 108623844

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 641, 742, 795, 954, 1060, 1113, 1260, 1282, 1484, 1590, 1855, 1908, 1923, 2226, 2385, 2564, 3180, 3205, 3339, 3710, 3846, 4452, 4487, 4770, 5565, 5769, 6410, 6678, 7420, 7692, 8974, 9540, 9615, 11130, 11538, 12820, 13356, 13461, 16695, 17948, 19230, 22260, 22435, 23076, 26922, 28845, 33390, 33973, 38460, 40383, 44870, 53844, 57690, 66780, 67305, 67946, 80766, 89740, 101919, 115380, 134610, 135892, 161532, 169865, 201915, 203838, 237811, 269220, 305757, 339730, 403830, 407676, 475622, 509595, 611514, 679460, 713433, 807660, 951244, 1019190, 1189055, 1223028, 1426866, 1528785, 2038380, 2140299, 2378110, 2853732, 3057570, 3567165, 4280598, 4756220, 6115140, 7134330, 8561196, 10701495, 14268660, 21402990, 42805980]

約数ペア:

[(1, 42805980), (2, 21402990), (3, 14268660), (4, 10701495), (5, 8561196), (6, 7134330), (7, 6115140), (9, 4756220), (10, 4280598), (12, 3567165), (14, 3057570), (15, 2853732), (18, 2378110), (20, 2140299), (21, 2038380), (28, 1528785), (30, 1426866), (35, 1223028), (36, 1189055), (42, 1019190), (45, 951244), (53, 807660), (60, 713433), (63, 679460), (70, 611514), (84, 509595), (90, 475622), (105, 407676), (106, 403830), (126, 339730), (140, 305757), (159, 269220), (180, 237811), (210, 203838), (212, 201915), (252, 169865), (265, 161532), (315, 135892), (318, 134610), (371, 115380), (420, 101919), (477, 89740), (530, 80766), (630, 67946), (636, 67305), (641, 66780), (742, 57690), (795, 53844), (954, 44870), (1060, 40383), (1113, 38460), (1260, 33973), (1282, 33390), (1484, 28845), (1590, 26922), (1855, 23076), (1908, 22435), (1923, 22260), (2226, 19230), (2385, 17948), (2564, 16695), (3180, 13461), (3205, 13356), (3339, 12820), (3710, 11538), (3846, 11130), (4452, 9615), (4487, 9540), (4770, 8974), (5565, 7692), (5769, 7420), (6410, 6678)]