1998066720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{24631}}^1$

素因数の和:24675

約数の個数: 144

約数和(自身を含む): 6815575872

約数和(自身を除く): 4817509152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3380, 4056, 5070, 5408, 6240, 6760, 8112, 10140, 13520, 16224, 20280, 24631, 27040, 40560, 49262, 73893, 81120, 98524, 123155, 147786, 197048, 246310, 295572, 320203, 369465, 394096, 492620, 591144, 640406, 738930, 788192, 960609, 985240, 1182288, 1280812, 1477860, 1601015, 1921218, 1970480, 2364576, 2561624, 2955720, 3202030, 3842436, 3940960, 4162639, 4803045, 5123248, 5911440, 6404060, 7684872, 8325278, 9606090, 10246496, 11822880, 12487917, 12808120, 15369744, 16650556, 19212180, 20813195, 24975834, 25616240, 30739488, 33301112, 38424360, 41626390, 49951668, 51232480, 62439585, 66602224, 76848720, 83252780, 99903336, 124879170, 133204448, 153697440, 166505560, 199806672, 249758340, 333011120, 399613344, 499516680, 666022240, 999033360, 1998066720]

約数ペア:

[(1, 1998066720), (2, 999033360), (3, 666022240), (4, 499516680), (5, 399613344), (6, 333011120), (8, 249758340), (10, 199806672), (12, 166505560), (13, 153697440), (15, 133204448), (16, 124879170), (20, 99903336), (24, 83252780), (26, 76848720), (30, 66602224), (32, 62439585), (39, 51232480), (40, 49951668), (48, 41626390), (52, 38424360), (60, 33301112), (65, 30739488), (78, 25616240), (80, 24975834), (96, 20813195), (104, 19212180), (120, 16650556), (130, 15369744), (156, 12808120), (160, 12487917), (169, 11822880), (195, 10246496), (208, 9606090), (240, 8325278), (260, 7684872), (312, 6404060), (338, 5911440), (390, 5123248), (416, 4803045), (480, 4162639), (507, 3940960), (520, 3842436), (624, 3202030), (676, 2955720), (780, 2561624), (845, 2364576), (1014, 1970480), (1040, 1921218), (1248, 1601015), (1352, 1477860), (1560, 1280812), (1690, 1182288), (2028, 985240), (2080, 960609), (2535, 788192), (2704, 738930), (3120, 640406), (3380, 591144), (4056, 492620), (5070, 394096), (5408, 369465), (6240, 320203), (6760, 295572), (8112, 246310), (10140, 197048), (13520, 147786), (16224, 123155), (20280, 98524), (24631, 81120), (27040, 73893), (40560, 49262)]