1389588720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1733}}^1$

素因数の和:2019

約数の個数: 160

約数和(自身を含む): 4659826752

約数和(自身を除く): 3270238032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 257, 260, 312, 390, 514, 520, 624, 771, 780, 1028, 1040, 1285, 1542, 1560, 1733, 2056, 2570, 3084, 3120, 3341, 3466, 3855, 4112, 5140, 5199, 6168, 6682, 6932, 7710, 8665, 10023, 10280, 10398, 12336, 13364, 13864, 15420, 16705, 17330, 20046, 20560, 20796, 22529, 25995, 26728, 27728, 30840, 33410, 34660, 40092, 41592, 45058, 50115, 51990, 53456, 61680, 66820, 67587, 69320, 80184, 83184, 90116, 100230, 103980, 112645, 133640, 135174, 138640, 160368, 180232, 200460, 207960, 225290, 267280, 270348, 337935, 360464, 400920, 415920, 445381, 450580, 540696, 675870, 801840, 890762, 901160, 1081392, 1336143, 1351740, 1781524, 1802320, 2226905, 2672286, 2703480, 3563048, 4453810, 5344572, 5406960, 5789953, 6680715, 7126096, 8907620, 10689144, 11579906, 13361430, 17369859, 17815240, 21378288, 23159812, 26722860, 28949765, 34739718, 35630480, 46319624, 53445720, 57899530, 69479436, 86849295, 92639248, 106891440, 115799060, 138958872, 173698590, 231598120, 277917744, 347397180, 463196240, 694794360, 1389588720]

約数ペア:

[(1, 1389588720), (2, 694794360), (3, 463196240), (4, 347397180), (5, 277917744), (6, 231598120), (8, 173698590), (10, 138958872), (12, 115799060), (13, 106891440), (15, 92639248), (16, 86849295), (20, 69479436), (24, 57899530), (26, 53445720), (30, 46319624), (39, 35630480), (40, 34739718), (48, 28949765), (52, 26722860), (60, 23159812), (65, 21378288), (78, 17815240), (80, 17369859), (104, 13361430), (120, 11579906), (130, 10689144), (156, 8907620), (195, 7126096), (208, 6680715), (240, 5789953), (257, 5406960), (260, 5344572), (312, 4453810), (390, 3563048), (514, 2703480), (520, 2672286), (624, 2226905), (771, 1802320), (780, 1781524), (1028, 1351740), (1040, 1336143), (1285, 1081392), (1542, 901160), (1560, 890762), (1733, 801840), (2056, 675870), (2570, 540696), (3084, 450580), (3120, 445381), (3341, 415920), (3466, 400920), (3855, 360464), (4112, 337935), (5140, 270348), (5199, 267280), (6168, 225290), (6682, 207960), (6932, 200460), (7710, 180232), (8665, 160368), (10023, 138640), (10280, 135174), (10398, 133640), (12336, 112645), (13364, 103980), (13864, 100230), (15420, 90116), (16705, 83184), (17330, 80184), (20046, 69320), (20560, 67587), (20796, 66820), (22529, 61680), (25995, 53456), (26728, 51990), (27728, 50115), (30840, 45058), (33410, 41592), (34660, 40092)]