15661972040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{44887}}^1$

素因数の和:44983

約数の個数: 128

約数和(自身を含む): 42079806720

約数和(自身を除く): 26417834680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 61, 65, 88, 104, 110, 122, 130, 143, 220, 244, 260, 286, 305, 440, 488, 520, 572, 610, 671, 715, 793, 1144, 1220, 1342, 1430, 1586, 2440, 2684, 2860, 3172, 3355, 3965, 5368, 5720, 6344, 6710, 7930, 8723, 13420, 15860, 17446, 26840, 31720, 34892, 43615, 44887, 69784, 87230, 89774, 174460, 179548, 224435, 348920, 359096, 448870, 493757, 583531, 897740, 987514, 1167062, 1795480, 1975028, 2334124, 2468785, 2738107, 2917655, 3950056, 4668248, 4937570, 5476214, 5835310, 6418841, 9875140, 10952428, 11670620, 12837682, 13690535, 19750280, 21904856, 23341240, 25675364, 27381070, 30119177, 32094205, 35595391, 51350728, 54762140, 60238354, 64188410, 71190782, 109524280, 120476708, 128376820, 142381564, 150595885, 177976955, 240953416, 256753640, 284763128, 301191770, 355953910, 391549301, 602383540, 711907820, 783098602, 1204767080, 1423815640, 1566197204, 1957746505, 3132394408, 3915493010, 7830986020, 15661972040]

約数ペア:

[(1, 15661972040), (2, 7830986020), (4, 3915493010), (5, 3132394408), (8, 1957746505), (10, 1566197204), (11, 1423815640), (13, 1204767080), (20, 783098602), (22, 711907820), (26, 602383540), (40, 391549301), (44, 355953910), (52, 301191770), (55, 284763128), (61, 256753640), (65, 240953416), (88, 177976955), (104, 150595885), (110, 142381564), (122, 128376820), (130, 120476708), (143, 109524280), (220, 71190782), (244, 64188410), (260, 60238354), (286, 54762140), (305, 51350728), (440, 35595391), (488, 32094205), (520, 30119177), (572, 27381070), (610, 25675364), (671, 23341240), (715, 21904856), (793, 19750280), (1144, 13690535), (1220, 12837682), (1342, 11670620), (1430, 10952428), (1586, 9875140), (2440, 6418841), (2684, 5835310), (2860, 5476214), (3172, 4937570), (3355, 4668248), (3965, 3950056), (5368, 2917655), (5720, 2738107), (6344, 2468785), (6710, 2334124), (7930, 1975028), (8723, 1795480), (13420, 1167062), (15860, 987514), (17446, 897740), (26840, 583531), (31720, 493757), (34892, 448870), (43615, 359096), (44887, 348920), (69784, 224435), (87230, 179548), (89774, 174460)]