221344960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 112

約数和(自身を含む): 555662592

約数和(自身を除く): 334317632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 64, 80, 106, 124, 155, 160, 212, 248, 265, 310, 320, 421, 424, 496, 530, 620, 842, 848, 992, 1060, 1240, 1643, 1684, 1696, 1984, 2105, 2120, 2480, 3286, 3368, 3392, 4210, 4240, 4960, 6572, 6736, 8215, 8420, 8480, 9920, 13051, 13144, 13472, 16430, 16840, 16960, 22313, 26102, 26288, 26944, 32860, 33680, 44626, 52204, 52576, 65255, 65720, 67360, 89252, 104408, 105152, 111565, 130510, 131440, 134720, 178504, 208816, 223130, 261020, 262880, 357008, 417632, 446260, 522040, 525760, 691703, 714016, 835264, 892520, 1044080, 1383406, 1428032, 1785040, 2088160, 2766812, 3458515, 3570080, 4176320, 5533624, 6917030, 7140160, 11067248, 13834060, 22134496, 27668120, 44268992, 55336240, 110672480, 221344960]

約数ペア:

[(1, 221344960), (2, 110672480), (4, 55336240), (5, 44268992), (8, 27668120), (10, 22134496), (16, 13834060), (20, 11067248), (31, 7140160), (32, 6917030), (40, 5533624), (53, 4176320), (62, 3570080), (64, 3458515), (80, 2766812), (106, 2088160), (124, 1785040), (155, 1428032), (160, 1383406), (212, 1044080), (248, 892520), (265, 835264), (310, 714016), (320, 691703), (421, 525760), (424, 522040), (496, 446260), (530, 417632), (620, 357008), (842, 262880), (848, 261020), (992, 223130), (1060, 208816), (1240, 178504), (1643, 134720), (1684, 131440), (1696, 130510), (1984, 111565), (2105, 105152), (2120, 104408), (2480, 89252), (3286, 67360), (3368, 65720), (3392, 65255), (4210, 52576), (4240, 52204), (4960, 44626), (6572, 33680), (6736, 32860), (8215, 26944), (8420, 26288), (8480, 26102), (9920, 22313), (13051, 16960), (13144, 16840), (13472, 16430)]