90911240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 251942400

約数和(自身を除く): 161031160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 136, 140, 142, 170, 238, 269, 280, 284, 340, 355, 476, 497, 538, 568, 595, 680, 710, 952, 994, 1076, 1190, 1207, 1345, 1420, 1883, 1988, 2152, 2380, 2414, 2485, 2690, 2840, 3766, 3976, 4573, 4760, 4828, 4970, 5380, 6035, 7532, 8449, 9146, 9415, 9656, 9940, 10760, 12070, 15064, 16898, 18292, 18830, 19099, 19880, 22865, 24140, 32011, 33796, 36584, 37660, 38198, 42245, 45730, 48280, 64022, 67592, 75320, 76396, 84490, 91460, 95495, 128044, 133693, 152792, 160055, 168980, 182920, 190990, 256088, 267386, 320110, 324683, 337960, 381980, 534772, 640220, 649366, 668465, 763960, 1069544, 1280440, 1298732, 1336930, 1623415, 2272781, 2597464, 2673860, 3246830, 4545562, 5347720, 6493660, 9091124, 11363905, 12987320, 18182248, 22727810, 45455620, 90911240]

約数ペア:

[(1, 90911240), (2, 45455620), (4, 22727810), (5, 18182248), (7, 12987320), (8, 11363905), (10, 9091124), (14, 6493660), (17, 5347720), (20, 4545562), (28, 3246830), (34, 2673860), (35, 2597464), (40, 2272781), (56, 1623415), (68, 1336930), (70, 1298732), (71, 1280440), (85, 1069544), (119, 763960), (136, 668465), (140, 649366), (142, 640220), (170, 534772), (238, 381980), (269, 337960), (280, 324683), (284, 320110), (340, 267386), (355, 256088), (476, 190990), (497, 182920), (538, 168980), (568, 160055), (595, 152792), (680, 133693), (710, 128044), (952, 95495), (994, 91460), (1076, 84490), (1190, 76396), (1207, 75320), (1345, 67592), (1420, 64022), (1883, 48280), (1988, 45730), (2152, 42245), (2380, 38198), (2414, 37660), (2485, 36584), (2690, 33796), (2840, 32011), (3766, 24140), (3976, 22865), (4573, 19880), (4760, 19099), (4828, 18830), (4970, 18292), (5380, 16898), (6035, 15064), (7532, 12070), (8449, 10760), (9146, 9940), (9415, 9656)]