145556720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 160

約数和(自身を含む): 388903680

約数和(自身を除く): 243346960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 43, 68, 76, 80, 85, 86, 95, 131, 136, 152, 170, 172, 190, 215, 262, 272, 304, 323, 340, 344, 380, 430, 524, 646, 655, 680, 688, 731, 760, 817, 860, 1048, 1292, 1310, 1360, 1462, 1520, 1615, 1634, 1720, 2096, 2227, 2489, 2584, 2620, 2924, 3230, 3268, 3440, 3655, 4085, 4454, 4978, 5168, 5240, 5633, 5848, 6460, 6536, 7310, 8170, 8908, 9956, 10480, 11135, 11266, 11696, 12445, 12920, 13072, 13889, 14620, 16340, 17816, 19912, 22270, 22532, 24890, 25840, 27778, 28165, 29240, 32680, 35632, 39824, 42313, 44540, 45064, 49780, 55556, 56330, 58480, 65360, 69445, 84626, 89080, 90128, 95761, 99560, 107027, 111112, 112660, 138890, 169252, 178160, 191522, 199120, 211565, 214054, 222224, 225320, 277780, 338504, 383044, 423130, 428108, 450640, 478805, 535135, 555560, 677008, 766088, 846260, 856216, 957610, 1070270, 1111120, 1532176, 1692520, 1712432, 1819459, 1915220, 2140540, 3385040, 3638918, 3830440, 4281080, 7277836, 7660880, 8562160, 9097295, 14555672, 18194590, 29111344, 36389180, 72778360, 145556720]

約数ペア:

[(1, 145556720), (2, 72778360), (4, 36389180), (5, 29111344), (8, 18194590), (10, 14555672), (16, 9097295), (17, 8562160), (19, 7660880), (20, 7277836), (34, 4281080), (38, 3830440), (40, 3638918), (43, 3385040), (68, 2140540), (76, 1915220), (80, 1819459), (85, 1712432), (86, 1692520), (95, 1532176), (131, 1111120), (136, 1070270), (152, 957610), (170, 856216), (172, 846260), (190, 766088), (215, 677008), (262, 555560), (272, 535135), (304, 478805), (323, 450640), (340, 428108), (344, 423130), (380, 383044), (430, 338504), (524, 277780), (646, 225320), (655, 222224), (680, 214054), (688, 211565), (731, 199120), (760, 191522), (817, 178160), (860, 169252), (1048, 138890), (1292, 112660), (1310, 111112), (1360, 107027), (1462, 99560), (1520, 95761), (1615, 90128), (1634, 89080), (1720, 84626), (2096, 69445), (2227, 65360), (2489, 58480), (2584, 56330), (2620, 55556), (2924, 49780), (3230, 45064), (3268, 44540), (3440, 42313), (3655, 39824), (4085, 35632), (4454, 32680), (4978, 29240), (5168, 28165), (5240, 27778), (5633, 25840), (5848, 24890), (6460, 22532), (6536, 22270), (7310, 19912), (8170, 17816), (8908, 16340), (9956, 14620), (10480, 13889), (11135, 13072), (11266, 12920), (11696, 12445)]