160478940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 491581440

約数和(自身を除く): 331102500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 239, 285, 310, 361, 372, 380, 465, 478, 570, 589, 620, 717, 722, 930, 956, 1083, 1140, 1178, 1195, 1434, 1444, 1767, 1805, 1860, 2166, 2356, 2390, 2868, 2945, 3534, 3585, 3610, 4332, 4541, 4780, 5415, 5890, 7068, 7170, 7220, 7409, 8835, 9082, 10830, 11191, 11780, 13623, 14340, 14818, 17670, 18164, 21660, 22227, 22382, 22705, 27246, 29636, 33573, 35340, 37045, 44454, 44764, 45410, 54492, 55955, 67146, 68115, 74090, 86279, 88908, 90820, 111135, 111910, 134292, 136230, 140771, 148180, 167865, 172558, 222270, 223820, 258837, 272460, 281542, 335730, 345116, 422313, 431395, 444540, 517674, 563084, 671460, 703855, 844626, 862790, 1035348, 1294185, 1407710, 1689252, 1725580, 2111565, 2588370, 2674649, 2815420, 4223130, 5176740, 5349298, 8023947, 8446260, 10698596, 13373245, 16047894, 26746490, 32095788, 40119735, 53492980, 80239470, 160478940]

約数ペア:

[(1, 160478940), (2, 80239470), (3, 53492980), (4, 40119735), (5, 32095788), (6, 26746490), (10, 16047894), (12, 13373245), (15, 10698596), (19, 8446260), (20, 8023947), (30, 5349298), (31, 5176740), (38, 4223130), (57, 2815420), (60, 2674649), (62, 2588370), (76, 2111565), (93, 1725580), (95, 1689252), (114, 1407710), (124, 1294185), (155, 1035348), (186, 862790), (190, 844626), (228, 703855), (239, 671460), (285, 563084), (310, 517674), (361, 444540), (372, 431395), (380, 422313), (465, 345116), (478, 335730), (570, 281542), (589, 272460), (620, 258837), (717, 223820), (722, 222270), (930, 172558), (956, 167865), (1083, 148180), (1140, 140771), (1178, 136230), (1195, 134292), (1434, 111910), (1444, 111135), (1767, 90820), (1805, 88908), (1860, 86279), (2166, 74090), (2356, 68115), (2390, 67146), (2868, 55955), (2945, 54492), (3534, 45410), (3585, 44764), (3610, 44454), (4332, 37045), (4541, 35340), (4780, 33573), (5415, 29636), (5890, 27246), (7068, 22705), (7170, 22382), (7220, 22227), (7409, 21660), (8835, 18164), (9082, 17670), (10830, 14818), (11191, 14340), (11780, 13623)]