31395870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 95089680

約数和(自身を除く): 63693810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 121, 135, 155, 165, 186, 198, 242, 270, 279, 297, 310, 330, 341, 363, 465, 495, 558, 594, 605, 682, 726, 837, 930, 961, 990, 1023, 1089, 1210, 1395, 1485, 1674, 1705, 1815, 1922, 2046, 2178, 2790, 2883, 2970, 3069, 3267, 3410, 3630, 3751, 4185, 4805, 5115, 5445, 5766, 6138, 6534, 7502, 8370, 8649, 9207, 9610, 10230, 10571, 10890, 11253, 14415, 15345, 16335, 17298, 18414, 18755, 21142, 22506, 25947, 28830, 30690, 31713, 32670, 33759, 37510, 43245, 46035, 51894, 52855, 56265, 63426, 67518, 86490, 92070, 95139, 101277, 105710, 112530, 116281, 129735, 158565, 168795, 190278, 202554, 232562, 259470, 285417, 317130, 337590, 348843, 475695, 506385, 570834, 581405, 697686, 951390, 1012770, 1046529, 1162810, 1427085, 1744215, 2093058, 2854170, 3139587, 3488430, 5232645, 6279174, 10465290, 15697935, 31395870]

約数ペア:

[(1, 31395870), (2, 15697935), (3, 10465290), (5, 6279174), (6, 5232645), (9, 3488430), (10, 3139587), (11, 2854170), (15, 2093058), (18, 1744215), (22, 1427085), (27, 1162810), (30, 1046529), (31, 1012770), (33, 951390), (45, 697686), (54, 581405), (55, 570834), (62, 506385), (66, 475695), (90, 348843), (93, 337590), (99, 317130), (110, 285417), (121, 259470), (135, 232562), (155, 202554), (165, 190278), (186, 168795), (198, 158565), (242, 129735), (270, 116281), (279, 112530), (297, 105710), (310, 101277), (330, 95139), (341, 92070), (363, 86490), (465, 67518), (495, 63426), (558, 56265), (594, 52855), (605, 51894), (682, 46035), (726, 43245), (837, 37510), (930, 33759), (961, 32670), (990, 31713), (1023, 30690), (1089, 28830), (1210, 25947), (1395, 22506), (1485, 21142), (1674, 18755), (1705, 18414), (1815, 17298), (1922, 16335), (2046, 15345), (2178, 14415), (2790, 11253), (2883, 10890), (2970, 10571), (3069, 10230), (3267, 9610), (3410, 9207), (3630, 8649), (3751, 8370), (4185, 7502), (4805, 6534), (5115, 6138), (5445, 5766)]