30784860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:665

約数の個数: 120

約数和(自身を含む): 99851136

約数和(自身を除く): 69066276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 613, 620, 810, 837, 930, 1116, 1226, 1395, 1620, 1674, 1839, 1860, 2452, 2511, 2790, 3065, 3348, 3678, 4185, 5022, 5517, 5580, 6130, 7356, 8370, 9195, 10044, 11034, 12260, 12555, 16551, 16740, 18390, 19003, 22068, 25110, 27585, 33102, 36780, 38006, 49653, 50220, 55170, 57009, 66204, 76012, 82755, 95015, 99306, 110340, 114018, 165510, 171027, 190030, 198612, 228036, 248265, 285045, 331020, 342054, 380060, 496530, 513081, 570090, 684108, 855135, 993060, 1026162, 1140180, 1539243, 1710270, 2052324, 2565405, 3078486, 3420540, 5130810, 6156972, 7696215, 10261620, 15392430, 30784860]

約数ペア:

[(1, 30784860), (2, 15392430), (3, 10261620), (4, 7696215), (5, 6156972), (6, 5130810), (9, 3420540), (10, 3078486), (12, 2565405), (15, 2052324), (18, 1710270), (20, 1539243), (27, 1140180), (30, 1026162), (31, 993060), (36, 855135), (45, 684108), (54, 570090), (60, 513081), (62, 496530), (81, 380060), (90, 342054), (93, 331020), (108, 285045), (124, 248265), (135, 228036), (155, 198612), (162, 190030), (180, 171027), (186, 165510), (270, 114018), (279, 110340), (310, 99306), (324, 95015), (372, 82755), (405, 76012), (465, 66204), (540, 57009), (558, 55170), (613, 50220), (620, 49653), (810, 38006), (837, 36780), (930, 33102), (1116, 27585), (1226, 25110), (1395, 22068), (1620, 19003), (1674, 18390), (1839, 16740), (1860, 16551), (2452, 12555), (2511, 12260), (2790, 11034), (3065, 10044), (3348, 9195), (3678, 8370), (4185, 7356), (5022, 6130), (5517, 5580)]