210919140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43399}}^1$

素因数の和:43423

約数の個数: 72

約数和(自身を含む): 663499200

約数和(自身を除く): 452580060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 43399, 86798, 130197, 173596, 216995, 260394, 390591, 433990, 520788, 650985, 781182, 867980, 1171773, 1301970, 1562364, 1952955, 2343546, 2603940, 3515319, 3905910, 4687092, 5858865, 7030638, 7811820, 10545957, 11717730, 14061276, 17576595, 21091914, 23435460, 35153190, 42183828, 52729785, 70306380, 105459570, 210919140]

約数ペア:

[(1, 210919140), (2, 105459570), (3, 70306380), (4, 52729785), (5, 42183828), (6, 35153190), (9, 23435460), (10, 21091914), (12, 17576595), (15, 14061276), (18, 11717730), (20, 10545957), (27, 7811820), (30, 7030638), (36, 5858865), (45, 4687092), (54, 3905910), (60, 3515319), (81, 2603940), (90, 2343546), (108, 1952955), (135, 1562364), (162, 1301970), (180, 1171773), (243, 867980), (270, 781182), (324, 650985), (405, 520788), (486, 433990), (540, 390591), (810, 260394), (972, 216995), (1215, 173596), (1620, 130197), (2430, 86798), (4860, 43399)]