90015540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^2$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 266256480

約数和(自身を除く): 176240940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 281, 285, 380, 562, 570, 843, 1124, 1140, 1405, 1686, 2810, 3372, 4215, 5339, 5620, 8430, 10678, 16017, 16860, 21356, 26695, 32034, 53390, 64068, 78961, 80085, 106780, 157922, 160170, 236883, 315844, 320340, 394805, 473766, 789610, 947532, 1184415, 1500259, 1579220, 2368830, 3000518, 4500777, 4737660, 6001036, 7501295, 9001554, 15002590, 18003108, 22503885, 30005180, 45007770, 90015540]

約数ペア:

[(1, 90015540), (2, 45007770), (3, 30005180), (4, 22503885), (5, 18003108), (6, 15002590), (10, 9001554), (12, 7501295), (15, 6001036), (19, 4737660), (20, 4500777), (30, 3000518), (38, 2368830), (57, 1579220), (60, 1500259), (76, 1184415), (95, 947532), (114, 789610), (190, 473766), (228, 394805), (281, 320340), (285, 315844), (380, 236883), (562, 160170), (570, 157922), (843, 106780), (1124, 80085), (1140, 78961), (1405, 64068), (1686, 53390), (2810, 32034), (3372, 26695), (4215, 21356), (5339, 16860), (5620, 16017), (8430, 10678)]