1620486560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4307

約数の個数: 192

約数和(自身を含む): 4928200704

約数和(自身を除く): 3307714144

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 616, 620, 682, 770, 868, 880, 992, 1085, 1120, 1232, 1240, 1364, 1540, 1705, 1736, 1760, 2170, 2387, 2464, 2480, 2728, 3080, 3410, 3472, 4243, 4340, 4774, 4960, 5456, 6160, 6820, 6944, 8486, 8680, 9548, 10912, 11935, 12320, 13640, 16972, 17360, 19096, 21215, 23870, 27280, 29701, 33944, 34720, 38192, 42430, 46673, 47740, 54560, 59402, 67888, 76384, 84860, 93346, 95480, 118804, 131533, 135776, 148505, 169720, 186692, 190960, 233365, 237608, 263066, 297010, 326711, 339440, 373384, 381920, 466730, 475216, 526132, 594020, 653422, 657665, 678880, 746768, 920731, 933460, 950432, 1052264, 1188040, 1306844, 1315330, 1446863, 1493536, 1633555, 1841462, 1866920, 2104528, 2376080, 2613688, 2630660, 2893726, 3267110, 3682924, 3733840, 4209056, 4603655, 4752160, 5227376, 5261320, 5787452, 6534220, 7234315, 7365848, 7467680, 9207310, 10128041, 10454752, 10522640, 11574904, 13068440, 14468630, 14731696, 18414620, 20256082, 21045280, 23149808, 26136880, 28937260, 29463392, 36829240, 40512164, 46299616, 50640205, 52273760, 57874520, 73658480, 81024328, 101280410, 115749040, 147316960, 162048656, 202560820, 231498080, 324097312, 405121640, 810243280, 1620486560]

約数ペア:

[(1, 1620486560), (2, 810243280), (4, 405121640), (5, 324097312), (7, 231498080), (8, 202560820), (10, 162048656), (11, 147316960), (14, 115749040), (16, 101280410), (20, 81024328), (22, 73658480), (28, 57874520), (31, 52273760), (32, 50640205), (35, 46299616), (40, 40512164), (44, 36829240), (55, 29463392), (56, 28937260), (62, 26136880), (70, 23149808), (77, 21045280), (80, 20256082), (88, 18414620), (110, 14731696), (112, 14468630), (124, 13068440), (140, 11574904), (154, 10522640), (155, 10454752), (160, 10128041), (176, 9207310), (217, 7467680), (220, 7365848), (224, 7234315), (248, 6534220), (280, 5787452), (308, 5261320), (310, 5227376), (341, 4752160), (352, 4603655), (385, 4209056), (434, 3733840), (440, 3682924), (496, 3267110), (560, 2893726), (616, 2630660), (620, 2613688), (682, 2376080), (770, 2104528), (868, 1866920), (880, 1841462), (992, 1633555), (1085, 1493536), (1120, 1446863), (1232, 1315330), (1240, 1306844), (1364, 1188040), (1540, 1052264), (1705, 950432), (1736, 933460), (1760, 920731), (2170, 746768), (2387, 678880), (2464, 657665), (2480, 653422), (2728, 594020), (3080, 526132), (3410, 475216), (3472, 466730), (4243, 381920), (4340, 373384), (4774, 339440), (4960, 326711), (5456, 297010), (6160, 263066), (6820, 237608), (6944, 233365), (8486, 190960), (8680, 186692), (9548, 169720), (10912, 148505), (11935, 135776), (12320, 131533), (13640, 118804), (16972, 95480), (17360, 93346), (19096, 84860), (21215, 76384), (23870, 67888), (27280, 59402), (29701, 54560), (33944, 47740), (34720, 46673), (38192, 42430)]