228291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 635459328

約数和(自身を除く): 407168048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 61, 70, 80, 82, 112, 122, 140, 163, 164, 205, 244, 280, 287, 305, 326, 328, 410, 427, 488, 560, 574, 610, 652, 656, 815, 820, 854, 976, 1141, 1148, 1220, 1304, 1435, 1630, 1640, 1708, 2135, 2282, 2296, 2440, 2501, 2608, 2870, 3260, 3280, 3416, 4270, 4564, 4592, 4880, 5002, 5705, 5740, 6520, 6683, 6832, 8540, 9128, 9943, 10004, 11410, 11480, 12505, 13040, 13366, 17080, 17507, 18256, 19886, 20008, 22820, 22960, 25010, 26732, 33415, 34160, 35014, 39772, 40016, 45640, 46781, 49715, 50020, 53464, 66830, 69601, 70028, 79544, 87535, 91280, 93562, 99430, 100040, 106928, 133660, 139202, 140056, 159088, 175070, 187124, 198860, 200080, 233905, 267320, 278404, 280112, 348005, 350140, 374248, 397720, 407663, 467810, 534640, 556808, 696010, 700280, 748496, 795440, 815326, 935620, 1113616, 1392020, 1400560, 1630652, 1871240, 2038315, 2784040, 2853641, 3261304, 3742480, 4076630, 5568080, 5707282, 6522608, 8153260, 11414564, 14268205, 16306520, 22829128, 28536410, 32613040, 45658256, 57072820, 114145640, 228291280]

約数ペア:

[(1, 228291280), (2, 114145640), (4, 57072820), (5, 45658256), (7, 32613040), (8, 28536410), (10, 22829128), (14, 16306520), (16, 14268205), (20, 11414564), (28, 8153260), (35, 6522608), (40, 5707282), (41, 5568080), (56, 4076630), (61, 3742480), (70, 3261304), (80, 2853641), (82, 2784040), (112, 2038315), (122, 1871240), (140, 1630652), (163, 1400560), (164, 1392020), (205, 1113616), (244, 935620), (280, 815326), (287, 795440), (305, 748496), (326, 700280), (328, 696010), (410, 556808), (427, 534640), (488, 467810), (560, 407663), (574, 397720), (610, 374248), (652, 350140), (656, 348005), (815, 280112), (820, 278404), (854, 267320), (976, 233905), (1141, 200080), (1148, 198860), (1220, 187124), (1304, 175070), (1435, 159088), (1630, 140056), (1640, 139202), (1708, 133660), (2135, 106928), (2282, 100040), (2296, 99430), (2440, 93562), (2501, 91280), (2608, 87535), (2870, 79544), (3260, 70028), (3280, 69601), (3416, 66830), (4270, 53464), (4564, 50020), (4592, 49715), (4880, 46781), (5002, 45640), (5705, 40016), (5740, 39772), (6520, 35014), (6683, 34160), (6832, 33415), (8540, 26732), (9128, 25010), (9943, 22960), (10004, 22820), (11410, 20008), (11480, 19886), (12505, 18256), (13040, 17507), (13366, 17080)]