279563640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3261

約数の個数: 128

約数和(自身を含む): 908962560

約数和(自身を除く): 629398920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2580, 2924, 3187, 3655, 4386, 5160, 5848, 6374, 7310, 8772, 9561, 10965, 12748, 14620, 15935, 17544, 19122, 21930, 25496, 29240, 31870, 38244, 43860, 47805, 54179, 63740, 76488, 87720, 95610, 108358, 127480, 137041, 162537, 191220, 216716, 270895, 274082, 325074, 382440, 411123, 433432, 541790, 548164, 650148, 685205, 812685, 822246, 1083580, 1096328, 1300296, 1370410, 1625370, 1644492, 2055615, 2167160, 2329697, 2740820, 3250740, 3288984, 4111230, 4659394, 5481640, 6501480, 6989091, 8222460, 9318788, 11648485, 13978182, 16444920, 18637576, 23296970, 27956364, 34945455, 46593940, 55912728, 69890910, 93187880, 139781820, 279563640]

約数ペア:

[(1, 279563640), (2, 139781820), (3, 93187880), (4, 69890910), (5, 55912728), (6, 46593940), (8, 34945455), (10, 27956364), (12, 23296970), (15, 18637576), (17, 16444920), (20, 13978182), (24, 11648485), (30, 9318788), (34, 8222460), (40, 6989091), (43, 6501480), (51, 5481640), (60, 4659394), (68, 4111230), (85, 3288984), (86, 3250740), (102, 2740820), (120, 2329697), (129, 2167160), (136, 2055615), (170, 1644492), (172, 1625370), (204, 1370410), (215, 1300296), (255, 1096328), (258, 1083580), (340, 822246), (344, 812685), (408, 685205), (430, 650148), (510, 548164), (516, 541790), (645, 433432), (680, 411123), (731, 382440), (860, 325074), (1020, 274082), (1032, 270895), (1290, 216716), (1462, 191220), (1720, 162537), (2040, 137041), (2193, 127480), (2580, 108358), (2924, 95610), (3187, 87720), (3655, 76488), (4386, 63740), (5160, 54179), (5848, 47805), (6374, 43860), (7310, 38244), (8772, 31870), (9561, 29240), (10965, 25496), (12748, 21930), (14620, 19122), (15935, 17544)]