247449280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3499}}^1$

素因数の和:3546

約数の個数: 112

約数和(自身を含む): 672084000

約数和(自身を除く): 424634720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 2080, 2210, 2720, 3499, 3536, 4160, 4420, 5440, 6998, 7072, 8840, 13996, 14144, 17495, 17680, 27992, 34990, 35360, 45487, 55984, 59483, 69980, 70720, 90974, 111968, 118966, 139960, 181948, 223936, 227435, 237932, 279920, 297415, 363896, 454870, 475864, 559840, 594830, 727792, 773279, 909740, 951728, 1119680, 1189660, 1455584, 1546558, 1819480, 1903456, 2379320, 2911168, 3093116, 3638960, 3806912, 3866395, 4758640, 6186232, 7277920, 7732790, 9517280, 12372464, 14555840, 15465580, 19034560, 24744928, 30931160, 49489856, 61862320, 123724640, 247449280]

約数ペア:

[(1, 247449280), (2, 123724640), (4, 61862320), (5, 49489856), (8, 30931160), (10, 24744928), (13, 19034560), (16, 15465580), (17, 14555840), (20, 12372464), (26, 9517280), (32, 7732790), (34, 7277920), (40, 6186232), (52, 4758640), (64, 3866395), (65, 3806912), (68, 3638960), (80, 3093116), (85, 2911168), (104, 2379320), (130, 1903456), (136, 1819480), (160, 1546558), (170, 1455584), (208, 1189660), (221, 1119680), (260, 951728), (272, 909740), (320, 773279), (340, 727792), (416, 594830), (442, 559840), (520, 475864), (544, 454870), (680, 363896), (832, 297415), (884, 279920), (1040, 237932), (1088, 227435), (1105, 223936), (1360, 181948), (1768, 139960), (2080, 118966), (2210, 111968), (2720, 90974), (3499, 70720), (3536, 69980), (4160, 59483), (4420, 55984), (5440, 45487), (6998, 35360), (7072, 34990), (8840, 27992), (13996, 17680), (14144, 17495)]