212040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:67

約数の個数: 96

約数和(自身を含む): 748800

約数和(自身を除く): 536760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 57, 60, 62, 72, 76, 90, 93, 95, 114, 120, 124, 152, 155, 171, 180, 186, 190, 228, 248, 279, 285, 310, 342, 360, 372, 380, 456, 465, 558, 570, 589, 620, 684, 744, 760, 855, 930, 1116, 1140, 1178, 1240, 1368, 1395, 1710, 1767, 1860, 2232, 2280, 2356, 2790, 2945, 3420, 3534, 3720, 4712, 5301, 5580, 5890, 6840, 7068, 8835, 10602, 11160, 11780, 14136, 17670, 21204, 23560, 26505, 35340, 42408, 53010, 70680, 106020, 212040]

約数ペア:

[(1, 212040), (2, 106020), (3, 70680), (4, 53010), (5, 42408), (6, 35340), (8, 26505), (9, 23560), (10, 21204), (12, 17670), (15, 14136), (18, 11780), (19, 11160), (20, 10602), (24, 8835), (30, 7068), (31, 6840), (36, 5890), (38, 5580), (40, 5301), (45, 4712), (57, 3720), (60, 3534), (62, 3420), (72, 2945), (76, 2790), (90, 2356), (93, 2280), (95, 2232), (114, 1860), (120, 1767), (124, 1710), (152, 1395), (155, 1368), (171, 1240), (180, 1178), (186, 1140), (190, 1116), (228, 930), (248, 855), (279, 760), (285, 744), (310, 684), (342, 620), (360, 589), (372, 570), (380, 558), (456, 465)]