644987070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{26251}}^1$

素因数の和:26287

約数の個数: 128

約数和(自身を含む): 2116961280

約数和(自身を除く): 1471974210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 819, 910, 945, 1170, 1365, 1638, 1755, 1890, 2457, 2730, 3510, 4095, 4914, 8190, 12285, 24570, 26251, 52502, 78753, 131255, 157506, 183757, 236259, 262510, 341263, 367514, 393765, 472518, 551271, 682526, 708777, 787530, 918785, 1023789, 1102542, 1181295, 1417554, 1653813, 1706315, 1837570, 2047578, 2362590, 2388841, 2756355, 3071367, 3307626, 3412630, 3543885, 4777682, 4961439, 5118945, 5512710, 6142734, 7087770, 7166523, 8269065, 9214101, 9922878, 10237890, 11944205, 14333046, 15356835, 16538130, 18428202, 21499569, 23888410, 24807195, 30713670, 35832615, 42999138, 46070505, 49614390, 64498707, 71665230, 92141010, 107497845, 128997414, 214995690, 322493535, 644987070]

約数ペア:

[(1, 644987070), (2, 322493535), (3, 214995690), (5, 128997414), (6, 107497845), (7, 92141010), (9, 71665230), (10, 64498707), (13, 49614390), (14, 46070505), (15, 42999138), (18, 35832615), (21, 30713670), (26, 24807195), (27, 23888410), (30, 21499569), (35, 18428202), (39, 16538130), (42, 15356835), (45, 14333046), (54, 11944205), (63, 10237890), (65, 9922878), (70, 9214101), (78, 8269065), (90, 7166523), (91, 7087770), (105, 6142734), (117, 5512710), (126, 5118945), (130, 4961439), (135, 4777682), (182, 3543885), (189, 3412630), (195, 3307626), (210, 3071367), (234, 2756355), (270, 2388841), (273, 2362590), (315, 2047578), (351, 1837570), (378, 1706315), (390, 1653813), (455, 1417554), (546, 1181295), (585, 1102542), (630, 1023789), (702, 918785), (819, 787530), (910, 708777), (945, 682526), (1170, 551271), (1365, 472518), (1638, 393765), (1755, 367514), (1890, 341263), (2457, 262510), (2730, 236259), (3510, 183757), (4095, 157506), (4914, 131255), (8190, 78753), (12285, 52502), (24570, 26251)]