256972500

素因数分解:

$2^2\times 3^7\times 5^4\times {\mathrm{47}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 860724480

約数和(自身を除く): 603751980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 47, 50, 54, 60, 75, 81, 90, 94, 100, 108, 125, 135, 141, 150, 162, 180, 188, 225, 235, 243, 250, 270, 282, 300, 324, 375, 405, 423, 450, 470, 486, 500, 540, 564, 625, 675, 705, 729, 750, 810, 846, 900, 940, 972, 1125, 1175, 1215, 1250, 1269, 1350, 1410, 1458, 1500, 1620, 1692, 1875, 2025, 2115, 2187, 2250, 2350, 2430, 2500, 2538, 2700, 2820, 2916, 3375, 3525, 3645, 3750, 3807, 4050, 4230, 4374, 4500, 4700, 4860, 5076, 5625, 5875, 6075, 6345, 6750, 7050, 7290, 7500, 7614, 8100, 8460, 8748, 10125, 10575, 10935, 11250, 11421, 11750, 12150, 12690, 13500, 14100, 14580, 15228, 16875, 17625, 18225, 19035, 20250, 21150, 21870, 22500, 22842, 23500, 24300, 25380, 29375, 30375, 31725, 33750, 34263, 35250, 36450, 38070, 40500, 42300, 43740, 45684, 50625, 52875, 54675, 57105, 58750, 60750, 63450, 67500, 68526, 70500, 72900, 76140, 88125, 91125, 95175, 101250, 102789, 105750, 109350, 114210, 117500, 121500, 126900, 137052, 151875, 158625, 171315, 176250, 182250, 190350, 202500, 205578, 211500, 218700, 228420, 264375, 273375, 285525, 303750, 317250, 342630, 352500, 364500, 380700, 411156, 455625, 475875, 513945, 528750, 546750, 571050, 607500, 634500, 685260, 793125, 856575, 911250, 951750, 1027890, 1057500, 1093500, 1142100, 1366875, 1427625, 1586250, 1713150, 1822500, 1903500, 2055780, 2379375, 2569725, 2733750, 2855250, 3172500, 3426300, 4282875, 4758750, 5139450, 5467500, 5710500, 7138125, 8565750, 9517500, 10278900, 12848625, 14276250, 17131500, 21414375, 25697250, 28552500, 42828750, 51394500, 64243125, 85657500, 128486250, 256972500]

約数ペア:

[(1, 256972500), (2, 128486250), (3, 85657500), (4, 64243125), (5, 51394500), (6, 42828750), (9, 28552500), (10, 25697250), (12, 21414375), (15, 17131500), (18, 14276250), (20, 12848625), (25, 10278900), (27, 9517500), (30, 8565750), (36, 7138125), (45, 5710500), (47, 5467500), (50, 5139450), (54, 4758750), (60, 4282875), (75, 3426300), (81, 3172500), (90, 2855250), (94, 2733750), (100, 2569725), (108, 2379375), (125, 2055780), (135, 1903500), (141, 1822500), (150, 1713150), (162, 1586250), (180, 1427625), (188, 1366875), (225, 1142100), (235, 1093500), (243, 1057500), (250, 1027890), (270, 951750), (282, 911250), (300, 856575), (324, 793125), (375, 685260), (405, 634500), (423, 607500), (450, 571050), (470, 546750), (486, 528750), (500, 513945), (540, 475875), (564, 455625), (625, 411156), (675, 380700), (705, 364500), (729, 352500), (750, 342630), (810, 317250), (846, 303750), (900, 285525), (940, 273375), (972, 264375), (1125, 228420), (1175, 218700), (1215, 211500), (1250, 205578), (1269, 202500), (1350, 190350), (1410, 182250), (1458, 176250), (1500, 171315), (1620, 158625), (1692, 151875), (1875, 137052), (2025, 126900), (2115, 121500), (2187, 117500), (2250, 114210), (2350, 109350), (2430, 105750), (2500, 102789), (2538, 101250), (2700, 95175), (2820, 91125), (2916, 88125), (3375, 76140), (3525, 72900), (3645, 70500), (3750, 68526), (3807, 67500), (4050, 63450), (4230, 60750), (4374, 58750), (4500, 57105), (4700, 54675), (4860, 52875), (5076, 50625), (5625, 45684), (5875, 43740), (6075, 42300), (6345, 40500), (6750, 38070), (7050, 36450), (7290, 35250), (7500, 34263), (7614, 33750), (8100, 31725), (8460, 30375), (8748, 29375), (10125, 25380), (10575, 24300), (10935, 23500), (11250, 22842), (11421, 22500), (11750, 21870), (12150, 21150), (12690, 20250), (13500, 19035), (14100, 18225), (14580, 17625), (15228, 16875)]