221398920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2971}}^1$

素因数の和:3017

約数の個数: 160

約数和(自身を含む): 776761920

約数和(自身を除く): 555363000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 405, 414, 460, 540, 552, 621, 648, 690, 810, 828, 920, 1035, 1080, 1242, 1380, 1620, 1656, 1863, 2070, 2484, 2760, 2971, 3105, 3240, 3726, 4140, 4968, 5942, 6210, 7452, 8280, 8913, 9315, 11884, 12420, 14855, 14904, 17826, 18630, 23768, 24840, 26739, 29710, 35652, 37260, 44565, 53478, 59420, 68333, 71304, 74520, 80217, 89130, 106956, 118840, 133695, 136666, 160434, 178260, 204999, 213912, 240651, 267390, 273332, 320868, 341665, 356520, 401085, 409998, 481302, 534780, 546664, 614997, 641736, 683330, 802170, 819996, 962604, 1024995, 1069560, 1203255, 1229994, 1366660, 1604340, 1639992, 1844991, 1925208, 2049990, 2406510, 2459988, 2733320, 3074985, 3208680, 3689982, 4099980, 4813020, 4919976, 5534973, 6149970, 7379964, 8199960, 9224955, 9626040, 11069946, 12299940, 14759928, 18449910, 22139892, 24599880, 27674865, 36899820, 44279784, 55349730, 73799640, 110699460, 221398920]

約数ペア:

[(1, 221398920), (2, 110699460), (3, 73799640), (4, 55349730), (5, 44279784), (6, 36899820), (8, 27674865), (9, 24599880), (10, 22139892), (12, 18449910), (15, 14759928), (18, 12299940), (20, 11069946), (23, 9626040), (24, 9224955), (27, 8199960), (30, 7379964), (36, 6149970), (40, 5534973), (45, 4919976), (46, 4813020), (54, 4099980), (60, 3689982), (69, 3208680), (72, 3074985), (81, 2733320), (90, 2459988), (92, 2406510), (108, 2049990), (115, 1925208), (120, 1844991), (135, 1639992), (138, 1604340), (162, 1366660), (180, 1229994), (184, 1203255), (207, 1069560), (216, 1024995), (230, 962604), (270, 819996), (276, 802170), (324, 683330), (345, 641736), (360, 614997), (405, 546664), (414, 534780), (460, 481302), (540, 409998), (552, 401085), (621, 356520), (648, 341665), (690, 320868), (810, 273332), (828, 267390), (920, 240651), (1035, 213912), (1080, 204999), (1242, 178260), (1380, 160434), (1620, 136666), (1656, 133695), (1863, 118840), (2070, 106956), (2484, 89130), (2760, 80217), (2971, 74520), (3105, 71304), (3240, 68333), (3726, 59420), (4140, 53478), (4968, 44565), (5942, 37260), (6210, 35652), (7452, 29710), (8280, 26739), (8913, 24840), (9315, 23768), (11884, 18630), (12420, 17826), (14855, 14904)]