161358340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 420424704

約数和(自身を除く): 259066364

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 121, 130, 143, 220, 223, 230, 242, 253, 260, 286, 299, 446, 460, 484, 506, 572, 598, 605, 715, 892, 1012, 1115, 1196, 1210, 1265, 1430, 1495, 1573, 2230, 2420, 2453, 2530, 2783, 2860, 2899, 2990, 3146, 3289, 4460, 4906, 5060, 5129, 5566, 5798, 5980, 6292, 6578, 7865, 9812, 10258, 11132, 11596, 12265, 13156, 13915, 14495, 15730, 16445, 20516, 24530, 25645, 26983, 27830, 28990, 31460, 31889, 32890, 36179, 49060, 51290, 53966, 55660, 56419, 57980, 63778, 65780, 66677, 72358, 102580, 107932, 112838, 127556, 133354, 134915, 144716, 159445, 180895, 225676, 266708, 269830, 282095, 318890, 333385, 350779, 361790, 539660, 564190, 620609, 637780, 666770, 701558, 723580, 733447, 1128380, 1241218, 1333540, 1403116, 1466894, 1753895, 2482436, 2933788, 3103045, 3507790, 3667235, 6206090, 7015580, 7334470, 8067917, 12412180, 14668940, 16135834, 32271668, 40339585, 80679170, 161358340]

約数ペア:

[(1, 161358340), (2, 80679170), (4, 40339585), (5, 32271668), (10, 16135834), (11, 14668940), (13, 12412180), (20, 8067917), (22, 7334470), (23, 7015580), (26, 6206090), (44, 3667235), (46, 3507790), (52, 3103045), (55, 2933788), (65, 2482436), (92, 1753895), (110, 1466894), (115, 1403116), (121, 1333540), (130, 1241218), (143, 1128380), (220, 733447), (223, 723580), (230, 701558), (242, 666770), (253, 637780), (260, 620609), (286, 564190), (299, 539660), (446, 361790), (460, 350779), (484, 333385), (506, 318890), (572, 282095), (598, 269830), (605, 266708), (715, 225676), (892, 180895), (1012, 159445), (1115, 144716), (1196, 134915), (1210, 133354), (1265, 127556), (1430, 112838), (1495, 107932), (1573, 102580), (2230, 72358), (2420, 66677), (2453, 65780), (2530, 63778), (2783, 57980), (2860, 56419), (2899, 55660), (2990, 53966), (3146, 51290), (3289, 49060), (4460, 36179), (4906, 32890), (5060, 31889), (5129, 31460), (5566, 28990), (5798, 27830), (5980, 26983), (6292, 25645), (6578, 24530), (7865, 20516), (9812, 16445), (10258, 15730), (11132, 14495), (11596, 13915), (12265, 13156)]