90770220

素因数分解:

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

素因数の和:1026

約数の個数: 144

約数和(自身を含む): 300867840

約数和(自身を除く): 210097620

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, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 983, 1026, 1140, 1215, 1539, 1620, 1710, 1966, 2052, 2430, 2565, 2949, 3078, 3420, 3932, 4617, 4860, 4915, 5130, 5898, 6156, 7695, 8847, 9234, 9830, 10260, 11796, 14745, 15390, 17694, 18468, 18677, 19660, 23085, 26541, 29490, 30780, 35388, 37354, 44235, 46170, 53082, 56031, 58980, 74708, 79623, 88470, 92340, 93385, 106164, 112062, 132705, 159246, 168093, 176940, 186770, 224124, 238869, 265410, 280155, 318492, 336186, 373540, 398115, 477738, 504279, 530820, 560310, 672372, 796230, 840465, 955476, 1008558, 1120620, 1194345, 1512837, 1592460, 1680930, 2017116, 2388690, 2521395, 3025674, 3361860, 4538511, 4777380, 5042790, 6051348, 7564185, 9077022, 10085580, 15128370, 18154044, 22692555, 30256740, 45385110, 90770220]

約数ペア:

[(1, 90770220), (2, 45385110), (3, 30256740), (4, 22692555), (5, 18154044), (6, 15128370), (9, 10085580), (10, 9077022), (12, 7564185), (15, 6051348), (18, 5042790), (19, 4777380), (20, 4538511), (27, 3361860), (30, 3025674), (36, 2521395), (38, 2388690), (45, 2017116), (54, 1680930), (57, 1592460), (60, 1512837), (76, 1194345), (81, 1120620), (90, 1008558), (95, 955476), (108, 840465), (114, 796230), (135, 672372), (162, 560310), (171, 530820), (180, 504279), (190, 477738), (228, 398115), (243, 373540), (270, 336186), (285, 318492), (324, 280155), (342, 265410), (380, 238869), (405, 224124), (486, 186770), (513, 176940), (540, 168093), (570, 159246), (684, 132705), (810, 112062), (855, 106164), (972, 93385), (983, 92340), (1026, 88470), (1140, 79623), (1215, 74708), (1539, 58980), (1620, 56031), (1710, 53082), (1966, 46170), (2052, 44235), (2430, 37354), (2565, 35388), (2949, 30780), (3078, 29490), (3420, 26541), (3932, 23085), (4617, 19660), (4860, 18677), (4915, 18468), (5130, 17694), (5898, 15390), (6156, 14745), (7695, 11796), (8847, 10260), (9234, 9830)]