30256740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 120

約数和(自身を含む): 100013760

約数和(自身を除く): 69757020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 983, 1026, 1140, 1539, 1620, 1710, 1966, 2052, 2565, 2949, 3078, 3420, 3932, 4915, 5130, 5898, 6156, 7695, 8847, 9830, 10260, 11796, 14745, 15390, 17694, 18677, 19660, 26541, 29490, 30780, 35388, 37354, 44235, 53082, 56031, 58980, 74708, 79623, 88470, 93385, 106164, 112062, 132705, 159246, 168093, 176940, 186770, 224124, 265410, 280155, 318492, 336186, 373540, 398115, 504279, 530820, 560310, 672372, 796230, 840465, 1008558, 1120620, 1512837, 1592460, 1680930, 2017116, 2521395, 3025674, 3361860, 5042790, 6051348, 7564185, 10085580, 15128370, 30256740]

約数ペア:

[(1, 30256740), (2, 15128370), (3, 10085580), (4, 7564185), (5, 6051348), (6, 5042790), (9, 3361860), (10, 3025674), (12, 2521395), (15, 2017116), (18, 1680930), (19, 1592460), (20, 1512837), (27, 1120620), (30, 1008558), (36, 840465), (38, 796230), (45, 672372), (54, 560310), (57, 530820), (60, 504279), (76, 398115), (81, 373540), (90, 336186), (95, 318492), (108, 280155), (114, 265410), (135, 224124), (162, 186770), (171, 176940), (180, 168093), (190, 159246), (228, 132705), (270, 112062), (285, 106164), (324, 93385), (342, 88470), (380, 79623), (405, 74708), (513, 58980), (540, 56031), (570, 53082), (684, 44235), (810, 37354), (855, 35388), (983, 30780), (1026, 29490), (1140, 26541), (1539, 19660), (1620, 18677), (1710, 17694), (1966, 15390), (2052, 14745), (2565, 11796), (2949, 10260), (3078, 9830), (3420, 8847), (3932, 7695), (4915, 6156), (5130, 5898)]