2005590780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{827}}^1$

素因数の和:1350

約数の個数: 144

約数和(自身を含む): 6329232000

約数和(自身を除く): 4323641220

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, 499, 540, 810, 827, 972, 998, 1215, 1497, 1620, 1654, 1996, 2430, 2481, 2495, 2994, 3308, 4135, 4491, 4860, 4962, 4990, 5988, 7443, 7485, 8270, 8982, 9924, 9980, 12405, 13473, 14886, 14970, 16540, 17964, 22329, 22455, 24810, 26946, 29772, 29940, 37215, 40419, 44658, 44910, 49620, 53892, 66987, 67365, 74430, 80838, 89316, 89820, 111645, 121257, 133974, 134730, 148860, 161676, 200961, 202095, 223290, 242514, 267948, 269460, 334935, 401922, 404190, 412673, 446580, 485028, 606285, 669870, 803844, 808380, 825346, 1004805, 1212570, 1238019, 1339740, 1650692, 2009610, 2063365, 2425140, 2476038, 3714057, 4019220, 4126730, 4952076, 6190095, 7428114, 8253460, 11142171, 12380190, 14856228, 18570285, 22284342, 24760380, 33426513, 37140570, 44568684, 55710855, 66853026, 74281140, 100279539, 111421710, 133706052, 167132565, 200559078, 222843420, 334265130, 401118156, 501397695, 668530260, 1002795390, 2005590780]

約数ペア:

[(1, 2005590780), (2, 1002795390), (3, 668530260), (4, 501397695), (5, 401118156), (6, 334265130), (9, 222843420), (10, 200559078), (12, 167132565), (15, 133706052), (18, 111421710), (20, 100279539), (27, 74281140), (30, 66853026), (36, 55710855), (45, 44568684), (54, 37140570), (60, 33426513), (81, 24760380), (90, 22284342), (108, 18570285), (135, 14856228), (162, 12380190), (180, 11142171), (243, 8253460), (270, 7428114), (324, 6190095), (405, 4952076), (486, 4126730), (499, 4019220), (540, 3714057), (810, 2476038), (827, 2425140), (972, 2063365), (998, 2009610), (1215, 1650692), (1497, 1339740), (1620, 1238019), (1654, 1212570), (1996, 1004805), (2430, 825346), (2481, 808380), (2495, 803844), (2994, 669870), (3308, 606285), (4135, 485028), (4491, 446580), (4860, 412673), (4962, 404190), (4990, 401922), (5988, 334935), (7443, 269460), (7485, 267948), (8270, 242514), (8982, 223290), (9924, 202095), (9980, 200961), (12405, 161676), (13473, 148860), (14886, 134730), (14970, 133974), (16540, 121257), (17964, 111645), (22329, 89820), (22455, 89316), (24810, 80838), (26946, 74430), (29772, 67365), (29940, 66987), (37215, 53892), (40419, 49620), (44658, 44910)]