20257486560

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{20477}}^1$

素因数の和:20730

約数の個数: 192

約数和(自身を含む): 71214292800

約数和(自身を除く): 50956806240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 229, 240, 270, 288, 360, 432, 458, 480, 540, 687, 720, 864, 916, 1080, 1145, 1374, 1440, 1832, 2061, 2160, 2290, 2748, 3435, 3664, 4122, 4320, 4580, 5496, 6183, 6870, 7328, 8244, 9160, 10305, 10992, 12366, 13740, 16488, 18320, 20477, 20610, 21984, 24732, 27480, 30915, 32976, 36640, 40954, 41220, 49464, 54960, 61431, 61830, 65952, 81908, 82440, 98928, 102385, 109920, 122862, 123660, 163816, 164880, 184293, 197856, 204770, 245724, 247320, 307155, 327632, 329760, 368586, 409540, 491448, 494640, 552879, 614310, 655264, 737172, 819080, 921465, 982896, 989280, 1105758, 1228620, 1474344, 1638160, 1842930, 1965792, 2211516, 2457240, 2764395, 2948688, 3276320, 3685860, 4423032, 4689233, 4914480, 5528790, 5897376, 7371720, 8846064, 9378466, 9828960, 11057580, 14067699, 14743440, 17692128, 18756932, 22115160, 23446165, 28135398, 29486880, 37513864, 42203097, 44230320, 46892330, 56270796, 70338495, 75027728, 84406194, 88460640, 93784660, 112541592, 126609291, 140676990, 150055456, 168812388, 187569320, 211015485, 225083184, 253218582, 281353980, 337624776, 375138640, 422030970, 450166368, 506437164, 562707960, 633046455, 675249552, 750277280, 844061940, 1012874328, 1125415920, 1266092910, 1350499104, 1688123880, 2025748656, 2250831840, 2532185820, 3376247760, 4051497312, 5064371640, 6752495520, 10128743280, 20257486560]

約数ペア:

[(1, 20257486560), (2, 10128743280), (3, 6752495520), (4, 5064371640), (5, 4051497312), (6, 3376247760), (8, 2532185820), (9, 2250831840), (10, 2025748656), (12, 1688123880), (15, 1350499104), (16, 1266092910), (18, 1125415920), (20, 1012874328), (24, 844061940), (27, 750277280), (30, 675249552), (32, 633046455), (36, 562707960), (40, 506437164), (45, 450166368), (48, 422030970), (54, 375138640), (60, 337624776), (72, 281353980), (80, 253218582), (90, 225083184), (96, 211015485), (108, 187569320), (120, 168812388), (135, 150055456), (144, 140676990), (160, 126609291), (180, 112541592), (216, 93784660), (229, 88460640), (240, 84406194), (270, 75027728), (288, 70338495), (360, 56270796), (432, 46892330), (458, 44230320), (480, 42203097), (540, 37513864), (687, 29486880), (720, 28135398), (864, 23446165), (916, 22115160), (1080, 18756932), (1145, 17692128), (1374, 14743440), (1440, 14067699), (1832, 11057580), (2061, 9828960), (2160, 9378466), (2290, 8846064), (2748, 7371720), (3435, 5897376), (3664, 5528790), (4122, 4914480), (4320, 4689233), (4580, 4423032), (5496, 3685860), (6183, 3276320), (6870, 2948688), (7328, 2764395), (8244, 2457240), (9160, 2211516), (10305, 1965792), (10992, 1842930), (12366, 1638160), (13740, 1474344), (16488, 1228620), (18320, 1105758), (20477, 989280), (20610, 982896), (21984, 921465), (24732, 819080), (27480, 737172), (30915, 655264), (32976, 614310), (36640, 552879), (40954, 494640), (41220, 491448), (49464, 409540), (54960, 368586), (61431, 329760), (61830, 327632), (65952, 307155), (81908, 247320), (82440, 245724), (98928, 204770), (102385, 197856), (109920, 184293), (122862, 164880), (123660, 163816)]