154447720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 427368960

約数和(自身を除く): 272921240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 71, 85, 119, 136, 140, 142, 170, 238, 280, 284, 340, 355, 457, 476, 497, 568, 595, 680, 710, 914, 952, 994, 1190, 1207, 1420, 1828, 1988, 2285, 2380, 2414, 2485, 2840, 3199, 3656, 3976, 4570, 4760, 4828, 4970, 6035, 6398, 7769, 8449, 9140, 9656, 9940, 12070, 12796, 15538, 15995, 16898, 18280, 19880, 24140, 25592, 31076, 31990, 32447, 33796, 38845, 42245, 48280, 54383, 62152, 63980, 64894, 67592, 77690, 84490, 108766, 127960, 129788, 155380, 162235, 168980, 217532, 227129, 259576, 271915, 310760, 324470, 337960, 435064, 454258, 543830, 551599, 648940, 908516, 1087660, 1103198, 1135645, 1297880, 1817032, 2175320, 2206396, 2271290, 2757995, 3861193, 4412792, 4542580, 5515990, 7722386, 9085160, 11031980, 15444772, 19305965, 22063960, 30889544, 38611930, 77223860, 154447720]

約数ペア:

[(1, 154447720), (2, 77223860), (4, 38611930), (5, 30889544), (7, 22063960), (8, 19305965), (10, 15444772), (14, 11031980), (17, 9085160), (20, 7722386), (28, 5515990), (34, 4542580), (35, 4412792), (40, 3861193), (56, 2757995), (68, 2271290), (70, 2206396), (71, 2175320), (85, 1817032), (119, 1297880), (136, 1135645), (140, 1103198), (142, 1087660), (170, 908516), (238, 648940), (280, 551599), (284, 543830), (340, 454258), (355, 435064), (457, 337960), (476, 324470), (497, 310760), (568, 271915), (595, 259576), (680, 227129), (710, 217532), (914, 168980), (952, 162235), (994, 155380), (1190, 129788), (1207, 127960), (1420, 108766), (1828, 84490), (1988, 77690), (2285, 67592), (2380, 64894), (2414, 63980), (2485, 62152), (2840, 54383), (3199, 48280), (3656, 42245), (3976, 38845), (4570, 33796), (4760, 32447), (4828, 31990), (4970, 31076), (6035, 25592), (6398, 24140), (7769, 19880), (8449, 18280), (9140, 16898), (9656, 15995), (9940, 15538), (12070, 12796)]