31545540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 111508488

約数和(自身を除く): 79962948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 61, 65, 68, 78, 85, 90, 102, 117, 122, 130, 153, 156, 169, 170, 180, 183, 195, 204, 221, 234, 244, 255, 260, 305, 306, 338, 340, 366, 390, 442, 468, 507, 510, 549, 585, 610, 612, 663, 676, 732, 765, 780, 793, 845, 884, 915, 1014, 1020, 1037, 1098, 1105, 1170, 1220, 1326, 1521, 1530, 1586, 1690, 1830, 1989, 2028, 2074, 2196, 2210, 2340, 2379, 2535, 2652, 2745, 2873, 3042, 3060, 3111, 3172, 3315, 3380, 3660, 3965, 3978, 4148, 4420, 4758, 5070, 5185, 5490, 5746, 6084, 6222, 6630, 7137, 7605, 7930, 7956, 8619, 9333, 9516, 9945, 10140, 10309, 10370, 10980, 11492, 11895, 12444, 13260, 13481, 14274, 14365, 15210, 15555, 15860, 17238, 18666, 19890, 20618, 20740, 23790, 25857, 26962, 28548, 28730, 30420, 30927, 31110, 34476, 35685, 37332, 39780, 40443, 41236, 43095, 46665, 47580, 51545, 51714, 53924, 57460, 61854, 62220, 67405, 71370, 80886, 86190, 92781, 93330, 103090, 103428, 121329, 123708, 129285, 134810, 142740, 154635, 161772, 172380, 175253, 185562, 186660, 202215, 206180, 242658, 258570, 269620, 309270, 350506, 371124, 404430, 463905, 485316, 517140, 525759, 606645, 618540, 701012, 808860, 876265, 927810, 1051518, 1213290, 1577277, 1752530, 1855620, 2103036, 2426580, 2628795, 3154554, 3505060, 5257590, 6309108, 7886385, 10515180, 15772770, 31545540]

約数ペア:

[(1, 31545540), (2, 15772770), (3, 10515180), (4, 7886385), (5, 6309108), (6, 5257590), (9, 3505060), (10, 3154554), (12, 2628795), (13, 2426580), (15, 2103036), (17, 1855620), (18, 1752530), (20, 1577277), (26, 1213290), (30, 1051518), (34, 927810), (36, 876265), (39, 808860), (45, 701012), (51, 618540), (52, 606645), (60, 525759), (61, 517140), (65, 485316), (68, 463905), (78, 404430), (85, 371124), (90, 350506), (102, 309270), (117, 269620), (122, 258570), (130, 242658), (153, 206180), (156, 202215), (169, 186660), (170, 185562), (180, 175253), (183, 172380), (195, 161772), (204, 154635), (221, 142740), (234, 134810), (244, 129285), (255, 123708), (260, 121329), (305, 103428), (306, 103090), (338, 93330), (340, 92781), (366, 86190), (390, 80886), (442, 71370), (468, 67405), (507, 62220), (510, 61854), (549, 57460), (585, 53924), (610, 51714), (612, 51545), (663, 47580), (676, 46665), (732, 43095), (765, 41236), (780, 40443), (793, 39780), (845, 37332), (884, 35685), (915, 34476), (1014, 31110), (1020, 30927), (1037, 30420), (1098, 28730), (1105, 28548), (1170, 26962), (1220, 25857), (1326, 23790), (1521, 20740), (1530, 20618), (1586, 19890), (1690, 18666), (1830, 17238), (1989, 15860), (2028, 15555), (2074, 15210), (2196, 14365), (2210, 14274), (2340, 13481), (2379, 13260), (2535, 12444), (2652, 11895), (2745, 11492), (2873, 10980), (3042, 10370), (3060, 10309), (3111, 10140), (3172, 9945), (3315, 9516), (3380, 9333), (3660, 8619), (3965, 7956), (3978, 7930), (4148, 7605), (4420, 7137), (4758, 6630), (5070, 6222), (5185, 6084), (5490, 5746)]