27748760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 73846080

約数和(自身を除く): 46097320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 43, 52, 65, 68, 73, 85, 86, 104, 130, 136, 146, 170, 172, 215, 221, 260, 292, 340, 344, 365, 430, 442, 520, 559, 584, 680, 730, 731, 860, 884, 949, 1105, 1118, 1241, 1460, 1462, 1720, 1768, 1898, 2210, 2236, 2482, 2795, 2920, 2924, 3139, 3655, 3796, 4420, 4472, 4745, 4964, 5590, 5848, 6205, 6278, 7310, 7592, 8840, 9490, 9503, 9928, 11180, 12410, 12556, 14620, 15695, 16133, 18980, 19006, 22360, 24820, 25112, 29240, 31390, 32266, 37960, 38012, 40807, 47515, 49640, 53363, 62780, 64532, 76024, 80665, 81614, 95030, 106726, 125560, 129064, 161330, 163228, 190060, 204035, 213452, 266815, 322660, 326456, 380120, 408070, 426904, 533630, 645320, 693719, 816140, 1067260, 1387438, 1632280, 2134520, 2774876, 3468595, 5549752, 6937190, 13874380, 27748760]

約数ペア:

[(1, 27748760), (2, 13874380), (4, 6937190), (5, 5549752), (8, 3468595), (10, 2774876), (13, 2134520), (17, 1632280), (20, 1387438), (26, 1067260), (34, 816140), (40, 693719), (43, 645320), (52, 533630), (65, 426904), (68, 408070), (73, 380120), (85, 326456), (86, 322660), (104, 266815), (130, 213452), (136, 204035), (146, 190060), (170, 163228), (172, 161330), (215, 129064), (221, 125560), (260, 106726), (292, 95030), (340, 81614), (344, 80665), (365, 76024), (430, 64532), (442, 62780), (520, 53363), (559, 49640), (584, 47515), (680, 40807), (730, 38012), (731, 37960), (860, 32266), (884, 31390), (949, 29240), (1105, 25112), (1118, 24820), (1241, 22360), (1460, 19006), (1462, 18980), (1720, 16133), (1768, 15695), (1898, 14620), (2210, 12556), (2236, 12410), (2482, 11180), (2795, 9928), (2920, 9503), (2924, 9490), (3139, 8840), (3655, 7592), (3796, 7310), (4420, 6278), (4472, 6205), (4745, 5848), (4964, 5590)]