156999920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 180

約数和(自身を含む): 468141912

約数和(自身を除く): 311141992

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 121, 140, 154, 176, 196, 220, 242, 245, 280, 308, 331, 385, 392, 440, 484, 490, 539, 560, 605, 616, 662, 770, 784, 847, 880, 968, 980, 1078, 1210, 1232, 1324, 1540, 1655, 1694, 1936, 1960, 2156, 2317, 2420, 2648, 2695, 3080, 3310, 3388, 3641, 3920, 4235, 4312, 4634, 4840, 5296, 5390, 5929, 6160, 6620, 6776, 7282, 8470, 8624, 9268, 9680, 10780, 11585, 11858, 13240, 13552, 14564, 16219, 16940, 18205, 18536, 21560, 23170, 23716, 25487, 26480, 29128, 29645, 32438, 33880, 36410, 37072, 40051, 43120, 46340, 47432, 50974, 58256, 59290, 64876, 67760, 72820, 80102, 81095, 92680, 94864, 101948, 118580, 127435, 129752, 145640, 160204, 162190, 178409, 185360, 200255, 203896, 237160, 254870, 259504, 280357, 291280, 320408, 324380, 356818, 400510, 407792, 474320, 509740, 560714, 640816, 648760, 713636, 801020, 892045, 1019480, 1121428, 1297520, 1401785, 1427272, 1602040, 1784090, 1962499, 2038960, 2242856, 2803570, 2854544, 3204080, 3568180, 3924998, 4485712, 5607140, 7136360, 7849996, 9812495, 11214280, 14272720, 15699992, 19624990, 22428560, 31399984, 39249980, 78499960, 156999920]

約数ペア:

[(1, 156999920), (2, 78499960), (4, 39249980), (5, 31399984), (7, 22428560), (8, 19624990), (10, 15699992), (11, 14272720), (14, 11214280), (16, 9812495), (20, 7849996), (22, 7136360), (28, 5607140), (35, 4485712), (40, 3924998), (44, 3568180), (49, 3204080), (55, 2854544), (56, 2803570), (70, 2242856), (77, 2038960), (80, 1962499), (88, 1784090), (98, 1602040), (110, 1427272), (112, 1401785), (121, 1297520), (140, 1121428), (154, 1019480), (176, 892045), (196, 801020), (220, 713636), (242, 648760), (245, 640816), (280, 560714), (308, 509740), (331, 474320), (385, 407792), (392, 400510), (440, 356818), (484, 324380), (490, 320408), (539, 291280), (560, 280357), (605, 259504), (616, 254870), (662, 237160), (770, 203896), (784, 200255), (847, 185360), (880, 178409), (968, 162190), (980, 160204), (1078, 145640), (1210, 129752), (1232, 127435), (1324, 118580), (1540, 101948), (1655, 94864), (1694, 92680), (1936, 81095), (1960, 80102), (2156, 72820), (2317, 67760), (2420, 64876), (2648, 59290), (2695, 58256), (3080, 50974), (3310, 47432), (3388, 46340), (3641, 43120), (3920, 40051), (4235, 37072), (4312, 36410), (4634, 33880), (4840, 32438), (5296, 29645), (5390, 29128), (5929, 26480), (6160, 25487), (6620, 23716), (6776, 23170), (7282, 21560), (8470, 18536), (8624, 18205), (9268, 16940), (9680, 16219), (10780, 14564), (11585, 13552), (11858, 13240)]