79781340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 245089152

約数和(自身を除く): 165307812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 107, 129, 170, 172, 204, 214, 215, 255, 258, 289, 321, 340, 428, 430, 510, 516, 535, 578, 642, 645, 731, 860, 867, 1020, 1070, 1156, 1284, 1290, 1445, 1462, 1605, 1734, 1819, 2140, 2193, 2580, 2890, 2924, 3210, 3468, 3638, 3655, 4335, 4386, 4601, 5457, 5780, 6420, 7276, 7310, 8670, 8772, 9095, 9202, 10914, 10965, 12427, 13803, 14620, 17340, 18190, 18404, 21828, 21930, 23005, 24854, 27285, 27606, 30923, 36380, 37281, 43860, 46010, 49708, 54570, 55212, 61846, 62135, 69015, 74562, 78217, 92020, 92769, 109140, 123692, 124270, 138030, 149124, 154615, 156434, 185538, 186405, 234651, 248540, 276060, 309230, 312868, 371076, 372810, 391085, 463845, 469302, 618460, 745620, 782170, 927690, 938604, 1173255, 1329689, 1564340, 1855380, 2346510, 2659378, 3989067, 4693020, 5318756, 6648445, 7978134, 13296890, 15956268, 19945335, 26593780, 39890670, 79781340]

約数ペア:

[(1, 79781340), (2, 39890670), (3, 26593780), (4, 19945335), (5, 15956268), (6, 13296890), (10, 7978134), (12, 6648445), (15, 5318756), (17, 4693020), (20, 3989067), (30, 2659378), (34, 2346510), (43, 1855380), (51, 1564340), (60, 1329689), (68, 1173255), (85, 938604), (86, 927690), (102, 782170), (107, 745620), (129, 618460), (170, 469302), (172, 463845), (204, 391085), (214, 372810), (215, 371076), (255, 312868), (258, 309230), (289, 276060), (321, 248540), (340, 234651), (428, 186405), (430, 185538), (510, 156434), (516, 154615), (535, 149124), (578, 138030), (642, 124270), (645, 123692), (731, 109140), (860, 92769), (867, 92020), (1020, 78217), (1070, 74562), (1156, 69015), (1284, 62135), (1290, 61846), (1445, 55212), (1462, 54570), (1605, 49708), (1734, 46010), (1819, 43860), (2140, 37281), (2193, 36380), (2580, 30923), (2890, 27606), (2924, 27285), (3210, 24854), (3468, 23005), (3638, 21930), (3655, 21828), (4335, 18404), (4386, 18190), (4601, 17340), (5457, 14620), (5780, 13803), (6420, 12427), (7276, 10965), (7310, 10914), (8670, 9202), (8772, 9095)]