221288480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 629959680

約数和(自身を除く): 408671200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 56, 61, 70, 79, 80, 82, 112, 122, 140, 158, 160, 164, 205, 224, 244, 280, 287, 305, 316, 328, 395, 410, 427, 488, 553, 560, 574, 610, 632, 656, 790, 820, 854, 976, 1106, 1120, 1148, 1220, 1264, 1312, 1435, 1580, 1640, 1708, 1952, 2135, 2212, 2296, 2440, 2501, 2528, 2765, 2870, 3160, 3239, 3280, 3416, 4270, 4424, 4592, 4819, 4880, 5002, 5530, 5740, 6320, 6478, 6560, 6832, 8540, 8848, 9184, 9638, 9760, 10004, 11060, 11480, 12505, 12640, 12956, 13664, 16195, 17080, 17507, 17696, 19276, 20008, 22120, 22673, 22960, 24095, 25010, 25912, 32390, 33733, 34160, 35014, 38552, 40016, 44240, 45346, 45920, 48190, 50020, 51824, 64780, 67466, 68320, 70028, 77104, 80032, 87535, 88480, 90692, 96380, 100040, 103648, 113365, 129560, 134932, 140056, 154208, 168665, 175070, 181384, 192760, 197579, 200080, 226730, 259120, 269864, 280112, 337330, 350140, 362768, 385520, 395158, 400160, 453460, 518240, 539728, 560224, 674660, 700280, 725536, 771040, 790316, 906920, 987895, 1079456, 1349320, 1383053, 1400560, 1580632, 1813840, 1975790, 2698640, 2766106, 2801120, 3161264, 3627680, 3951580, 5397280, 5532212, 6322528, 6915265, 7903160, 11064424, 13830530, 15806320, 22128848, 27661060, 31612640, 44257696, 55322120, 110644240, 221288480]

約数ペア:

[(1, 221288480), (2, 110644240), (4, 55322120), (5, 44257696), (7, 31612640), (8, 27661060), (10, 22128848), (14, 15806320), (16, 13830530), (20, 11064424), (28, 7903160), (32, 6915265), (35, 6322528), (40, 5532212), (41, 5397280), (56, 3951580), (61, 3627680), (70, 3161264), (79, 2801120), (80, 2766106), (82, 2698640), (112, 1975790), (122, 1813840), (140, 1580632), (158, 1400560), (160, 1383053), (164, 1349320), (205, 1079456), (224, 987895), (244, 906920), (280, 790316), (287, 771040), (305, 725536), (316, 700280), (328, 674660), (395, 560224), (410, 539728), (427, 518240), (488, 453460), (553, 400160), (560, 395158), (574, 385520), (610, 362768), (632, 350140), (656, 337330), (790, 280112), (820, 269864), (854, 259120), (976, 226730), (1106, 200080), (1120, 197579), (1148, 192760), (1220, 181384), (1264, 175070), (1312, 168665), (1435, 154208), (1580, 140056), (1640, 134932), (1708, 129560), (1952, 113365), (2135, 103648), (2212, 100040), (2296, 96380), (2440, 90692), (2501, 88480), (2528, 87535), (2765, 80032), (2870, 77104), (3160, 70028), (3239, 68320), (3280, 67466), (3416, 64780), (4270, 51824), (4424, 50020), (4592, 48190), (4819, 45920), (4880, 45346), (5002, 44240), (5530, 40016), (5740, 38552), (6320, 35014), (6478, 34160), (6560, 33733), (6832, 32390), (8540, 25912), (8848, 25010), (9184, 24095), (9638, 22960), (9760, 22673), (10004, 22120), (11060, 20008), (11480, 19276), (12505, 17696), (12640, 17507), (12956, 17080), (13664, 16195)]