291078060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 1016064000

約数和(自身を除く): 724985940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 89, 91, 105, 130, 140, 156, 178, 182, 195, 210, 260, 267, 273, 356, 364, 390, 420, 445, 455, 534, 546, 599, 623, 780, 890, 910, 1068, 1092, 1157, 1198, 1246, 1335, 1365, 1780, 1797, 1820, 1869, 2314, 2396, 2492, 2670, 2730, 2995, 3115, 3471, 3594, 3738, 4193, 4628, 5340, 5460, 5785, 5990, 6230, 6942, 7188, 7476, 7787, 8099, 8386, 8985, 9345, 11570, 11980, 12460, 12579, 13884, 15574, 16198, 16772, 17355, 17970, 18690, 20965, 23140, 23361, 24297, 25158, 31148, 32396, 34710, 35940, 37380, 38935, 40495, 41930, 46722, 48594, 50316, 53311, 54509, 62895, 69420, 77870, 80990, 83860, 93444, 97188, 106622, 109018, 116805, 121485, 125790, 155740, 159933, 161980, 163527, 213244, 218036, 233610, 242970, 251580, 266555, 272545, 319866, 327054, 373177, 467220, 485940, 533110, 545090, 639732, 654108, 693043, 746354, 799665, 817635, 1066220, 1090180, 1119531, 1386086, 1492708, 1599330, 1635270, 1865885, 2079129, 2239062, 2772172, 3198660, 3270540, 3465215, 3731770, 4158258, 4478124, 4851301, 5597655, 6930430, 7463540, 8316516, 9702602, 10395645, 11195310, 13860860, 14553903, 19405204, 20791290, 22390620, 24256505, 29107806, 41582580, 48513010, 58215612, 72769515, 97026020, 145539030, 291078060]

約数ペア:

[(1, 291078060), (2, 145539030), (3, 97026020), (4, 72769515), (5, 58215612), (6, 48513010), (7, 41582580), (10, 29107806), (12, 24256505), (13, 22390620), (14, 20791290), (15, 19405204), (20, 14553903), (21, 13860860), (26, 11195310), (28, 10395645), (30, 9702602), (35, 8316516), (39, 7463540), (42, 6930430), (52, 5597655), (60, 4851301), (65, 4478124), (70, 4158258), (78, 3731770), (84, 3465215), (89, 3270540), (91, 3198660), (105, 2772172), (130, 2239062), (140, 2079129), (156, 1865885), (178, 1635270), (182, 1599330), (195, 1492708), (210, 1386086), (260, 1119531), (267, 1090180), (273, 1066220), (356, 817635), (364, 799665), (390, 746354), (420, 693043), (445, 654108), (455, 639732), (534, 545090), (546, 533110), (599, 485940), (623, 467220), (780, 373177), (890, 327054), (910, 319866), (1068, 272545), (1092, 266555), (1157, 251580), (1198, 242970), (1246, 233610), (1335, 218036), (1365, 213244), (1780, 163527), (1797, 161980), (1820, 159933), (1869, 155740), (2314, 125790), (2396, 121485), (2492, 116805), (2670, 109018), (2730, 106622), (2995, 97188), (3115, 93444), (3471, 83860), (3594, 80990), (3738, 77870), (4193, 69420), (4628, 62895), (5340, 54509), (5460, 53311), (5785, 50316), (5990, 48594), (6230, 46722), (6942, 41930), (7188, 40495), (7476, 38935), (7787, 37380), (8099, 35940), (8386, 34710), (8985, 32396), (9345, 31148), (11570, 25158), (11980, 24297), (12460, 23361), (12579, 23140), (13884, 20965), (15574, 18690), (16198, 17970), (16772, 17355)]