251059140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3313}}^1$

素因数の和:3749

約数の個数: 72

約数和(自身を含む): 763585368

約数和(自身を除く): 512526228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 421, 842, 1263, 1684, 2105, 2526, 3313, 3789, 4210, 5052, 6315, 6626, 7578, 8420, 9939, 12630, 13252, 15156, 16565, 18945, 19878, 25260, 29817, 33130, 37890, 39756, 49695, 59634, 66260, 75780, 99390, 119268, 149085, 198780, 298170, 596340, 1394773, 2789546, 4184319, 5579092, 6973865, 8368638, 12552957, 13947730, 16737276, 20921595, 25105914, 27895460, 41843190, 50211828, 62764785, 83686380, 125529570, 251059140]

約数ペア:

[(1, 251059140), (2, 125529570), (3, 83686380), (4, 62764785), (5, 50211828), (6, 41843190), (9, 27895460), (10, 25105914), (12, 20921595), (15, 16737276), (18, 13947730), (20, 12552957), (30, 8368638), (36, 6973865), (45, 5579092), (60, 4184319), (90, 2789546), (180, 1394773), (421, 596340), (842, 298170), (1263, 198780), (1684, 149085), (2105, 119268), (2526, 99390), (3313, 75780), (3789, 66260), (4210, 59634), (5052, 49695), (6315, 39756), (6626, 37890), (7578, 33130), (8420, 29817), (9939, 25260), (12630, 19878), (13252, 18945), (15156, 16565)]