1268820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:94

約数の個数: 144

約数和(自身を含む): 4717440

約数和(自身を除く): 3448620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 53, 57, 60, 63, 70, 76, 84, 90, 95, 105, 106, 114, 126, 133, 140, 159, 171, 180, 190, 210, 212, 228, 252, 265, 266, 285, 315, 318, 342, 371, 380, 399, 420, 477, 530, 532, 570, 630, 636, 665, 684, 742, 795, 798, 855, 954, 1007, 1060, 1113, 1140, 1197, 1260, 1330, 1484, 1590, 1596, 1710, 1855, 1908, 1995, 2014, 2226, 2385, 2394, 2660, 3021, 3180, 3339, 3420, 3710, 3990, 4028, 4452, 4770, 4788, 5035, 5565, 5985, 6042, 6678, 7049, 7420, 7980, 9063, 9540, 10070, 11130, 11970, 12084, 13356, 14098, 15105, 16695, 18126, 20140, 21147, 22260, 23940, 28196, 30210, 33390, 35245, 36252, 42294, 45315, 60420, 63441, 66780, 70490, 84588, 90630, 105735, 126882, 140980, 181260, 211470, 253764, 317205, 422940, 634410, 1268820]

約数ペア:

[(1, 1268820), (2, 634410), (3, 422940), (4, 317205), (5, 253764), (6, 211470), (7, 181260), (9, 140980), (10, 126882), (12, 105735), (14, 90630), (15, 84588), (18, 70490), (19, 66780), (20, 63441), (21, 60420), (28, 45315), (30, 42294), (35, 36252), (36, 35245), (38, 33390), (42, 30210), (45, 28196), (53, 23940), (57, 22260), (60, 21147), (63, 20140), (70, 18126), (76, 16695), (84, 15105), (90, 14098), (95, 13356), (105, 12084), (106, 11970), (114, 11130), (126, 10070), (133, 9540), (140, 9063), (159, 7980), (171, 7420), (180, 7049), (190, 6678), (210, 6042), (212, 5985), (228, 5565), (252, 5035), (265, 4788), (266, 4770), (285, 4452), (315, 4028), (318, 3990), (342, 3710), (371, 3420), (380, 3339), (399, 3180), (420, 3021), (477, 2660), (530, 2394), (532, 2385), (570, 2226), (630, 2014), (636, 1995), (665, 1908), (684, 1855), (742, 1710), (795, 1596), (798, 1590), (855, 1484), (954, 1330), (1007, 1260), (1060, 1197), (1113, 1140)]