251028960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 288

約数和(自身を含む): 991805472

約数和(自身を除く): 740776512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 821, 840, 910, 980, 1040, 1092, 1120, 1176, 1248, 1274, 1365, 1456, 1470, 1560, 1568, 1642, 1680, 1820, 1911, 1960, 2080, 2184, 2352, 2463, 2548, 2730, 2912, 2940, 3120, 3185, 3284, 3360, 3640, 3822, 3920, 4105, 4368, 4704, 4926, 5096, 5460, 5747, 5880, 6240, 6370, 6568, 7280, 7644, 7840, 8210, 8736, 9555, 9852, 10192, 10673, 10920, 11494, 11760, 12315, 12740, 13136, 14560, 15288, 16420, 17241, 19110, 19704, 20384, 21346, 21840, 22988, 23520, 24630, 25480, 26272, 28735, 30576, 32019, 32840, 34482, 38220, 39408, 40229, 42692, 43680, 45976, 49260, 50960, 53365, 57470, 61152, 64038, 65680, 68964, 74711, 76440, 78816, 80458, 85384, 86205, 91952, 98520, 101920, 106730, 114940, 120687, 128076, 131360, 137928, 149422, 152880, 160095, 160916, 170768, 172410, 183904, 197040, 201145, 213460, 224133, 229880, 241374, 256152, 275856, 298844, 305760, 320190, 321832, 341536, 344820, 373555, 394080, 402290, 426920, 448266, 459760, 482748, 512304, 522977, 551712, 597688, 603435, 640380, 643664, 689640, 747110, 804580, 853840, 896532, 919520, 965496, 1024608, 1045954, 1120665, 1195376, 1206870, 1280760, 1287328, 1379280, 1494220, 1568931, 1609160, 1707680, 1793064, 1930992, 2091908, 2241330, 2390752, 2413740, 2561520, 2614885, 2758560, 2988440, 3137862, 3218320, 3586128, 3861984, 4183816, 4482660, 4827480, 5123040, 5229770, 5976880, 6275724, 6436640, 7172256, 7844655, 8367632, 8965320, 9654960, 10459540, 11953760, 12551448, 15689310, 16735264, 17930640, 19309920, 20919080, 25102896, 31378620, 35861280, 41838160, 50205792, 62757240, 83676320, 125514480, 251028960]

約数ペア:

[(1, 251028960), (2, 125514480), (3, 83676320), (4, 62757240), (5, 50205792), (6, 41838160), (7, 35861280), (8, 31378620), (10, 25102896), (12, 20919080), (13, 19309920), (14, 17930640), (15, 16735264), (16, 15689310), (20, 12551448), (21, 11953760), (24, 10459540), (26, 9654960), (28, 8965320), (30, 8367632), (32, 7844655), (35, 7172256), (39, 6436640), (40, 6275724), (42, 5976880), (48, 5229770), (49, 5123040), (52, 4827480), (56, 4482660), (60, 4183816), (65, 3861984), (70, 3586128), (78, 3218320), (80, 3137862), (84, 2988440), (91, 2758560), (96, 2614885), (98, 2561520), (104, 2413740), (105, 2390752), (112, 2241330), (120, 2091908), (130, 1930992), (140, 1793064), (147, 1707680), (156, 1609160), (160, 1568931), (168, 1494220), (182, 1379280), (195, 1287328), (196, 1280760), (208, 1206870), (210, 1195376), (224, 1120665), (240, 1045954), (245, 1024608), (260, 965496), (273, 919520), (280, 896532), (294, 853840), (312, 804580), (336, 747110), (364, 689640), (390, 643664), (392, 640380), (416, 603435), (420, 597688), (455, 551712), (480, 522977), (490, 512304), (520, 482748), (546, 459760), (560, 448266), (588, 426920), (624, 402290), (637, 394080), (672, 373555), (728, 344820), (735, 341536), (780, 321832), (784, 320190), (821, 305760), (840, 298844), (910, 275856), (980, 256152), (1040, 241374), (1092, 229880), (1120, 224133), (1176, 213460), (1248, 201145), (1274, 197040), (1365, 183904), (1456, 172410), (1470, 170768), (1560, 160916), (1568, 160095), (1642, 152880), (1680, 149422), (1820, 137928), (1911, 131360), (1960, 128076), (2080, 120687), (2184, 114940), (2352, 106730), (2463, 101920), (2548, 98520), (2730, 91952), (2912, 86205), (2940, 85384), (3120, 80458), (3185, 78816), (3284, 76440), (3360, 74711), (3640, 68964), (3822, 65680), (3920, 64038), (4105, 61152), (4368, 57470), (4704, 53365), (4926, 50960), (5096, 49260), (5460, 45976), (5747, 43680), (5880, 42692), (6240, 40229), (6370, 39408), (6568, 38220), (7280, 34482), (7644, 32840), (7840, 32019), (8210, 30576), (8736, 28735), (9555, 26272), (9852, 25480), (10192, 24630), (10673, 23520), (10920, 22988), (11494, 21840), (11760, 21346), (12315, 20384), (12740, 19704), (13136, 19110), (14560, 17241), (15288, 16420)]