247277940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45289}}^1$

素因数の和:45321

約数の個数: 96

約数和(自身を含む): 852176640

約数和(自身を除く): 604898700

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, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 45289, 90578, 135867, 181156, 226445, 271734, 317023, 452890, 543468, 588757, 634046, 679335, 905780, 951069, 1177514, 1268092, 1358670, 1585115, 1766271, 1902138, 2355028, 2717340, 2943785, 3170230, 3532542, 3804276, 4121299, 4755345, 5887570, 6340460, 7065084, 8242598, 8831355, 9510690, 11775140, 12363897, 16485196, 17662710, 19021380, 20606495, 24727794, 35325420, 41212990, 49455588, 61819485, 82425980, 123638970, 247277940]

約数ペア:

[(1, 247277940), (2, 123638970), (3, 82425980), (4, 61819485), (5, 49455588), (6, 41212990), (7, 35325420), (10, 24727794), (12, 20606495), (13, 19021380), (14, 17662710), (15, 16485196), (20, 12363897), (21, 11775140), (26, 9510690), (28, 8831355), (30, 8242598), (35, 7065084), (39, 6340460), (42, 5887570), (52, 4755345), (60, 4121299), (65, 3804276), (70, 3532542), (78, 3170230), (84, 2943785), (91, 2717340), (105, 2355028), (130, 1902138), (140, 1766271), (156, 1585115), (182, 1358670), (195, 1268092), (210, 1177514), (260, 951069), (273, 905780), (364, 679335), (390, 634046), (420, 588757), (455, 543468), (546, 452890), (780, 317023), (910, 271734), (1092, 226445), (1365, 181156), (1820, 135867), (2730, 90578), (5460, 45289)]