725040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 120

約数和(自身を含む): 2611440

約数和(自身を除く): 1886400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 53, 57, 60, 72, 76, 80, 90, 95, 106, 114, 120, 144, 152, 159, 171, 180, 190, 212, 228, 240, 265, 285, 304, 318, 342, 360, 380, 424, 456, 477, 530, 570, 636, 684, 720, 760, 795, 848, 855, 912, 954, 1007, 1060, 1140, 1272, 1368, 1520, 1590, 1710, 1908, 2014, 2120, 2280, 2385, 2544, 2736, 3021, 3180, 3420, 3816, 4028, 4240, 4560, 4770, 5035, 6042, 6360, 6840, 7632, 8056, 9063, 9540, 10070, 12084, 12720, 13680, 15105, 16112, 18126, 19080, 20140, 24168, 30210, 36252, 38160, 40280, 45315, 48336, 60420, 72504, 80560, 90630, 120840, 145008, 181260, 241680, 362520, 725040]

約数ペア:

[(1, 725040), (2, 362520), (3, 241680), (4, 181260), (5, 145008), (6, 120840), (8, 90630), (9, 80560), (10, 72504), (12, 60420), (15, 48336), (16, 45315), (18, 40280), (19, 38160), (20, 36252), (24, 30210), (30, 24168), (36, 20140), (38, 19080), (40, 18126), (45, 16112), (48, 15105), (53, 13680), (57, 12720), (60, 12084), (72, 10070), (76, 9540), (80, 9063), (90, 8056), (95, 7632), (106, 6840), (114, 6360), (120, 6042), (144, 5035), (152, 4770), (159, 4560), (171, 4240), (180, 4028), (190, 3816), (212, 3420), (228, 3180), (240, 3021), (265, 2736), (285, 2544), (304, 2385), (318, 2280), (342, 2120), (360, 2014), (380, 1908), (424, 1710), (456, 1590), (477, 1520), (530, 1368), (570, 1272), (636, 1140), (684, 1060), (720, 1007), (760, 954), (795, 912), (848, 855)]