31884090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 128

約数和(自身を含む): 94279680

約数和(自身を除く): 62395590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 61, 70, 95, 105, 114, 122, 131, 133, 183, 190, 210, 262, 266, 285, 305, 366, 393, 399, 427, 570, 610, 655, 665, 786, 798, 854, 915, 917, 1159, 1281, 1310, 1330, 1830, 1834, 1965, 1995, 2135, 2318, 2489, 2562, 2751, 3477, 3930, 3990, 4270, 4585, 4978, 5502, 5795, 6405, 6954, 7467, 7991, 8113, 9170, 11590, 12445, 12810, 13755, 14934, 15982, 16226, 17385, 17423, 23973, 24339, 24890, 27510, 34770, 34846, 37335, 39955, 40565, 47946, 48678, 52269, 55937, 74670, 79910, 81130, 87115, 104538, 111874, 119865, 121695, 151829, 167811, 174230, 239730, 243390, 261345, 279685, 303658, 335622, 455487, 522690, 559370, 759145, 839055, 910974, 1062803, 1518290, 1678110, 2125606, 2277435, 3188409, 4554870, 5314015, 6376818, 10628030, 15942045, 31884090]

約数ペア:

[(1, 31884090), (2, 15942045), (3, 10628030), (5, 6376818), (6, 5314015), (7, 4554870), (10, 3188409), (14, 2277435), (15, 2125606), (19, 1678110), (21, 1518290), (30, 1062803), (35, 910974), (38, 839055), (42, 759145), (57, 559370), (61, 522690), (70, 455487), (95, 335622), (105, 303658), (114, 279685), (122, 261345), (131, 243390), (133, 239730), (183, 174230), (190, 167811), (210, 151829), (262, 121695), (266, 119865), (285, 111874), (305, 104538), (366, 87115), (393, 81130), (399, 79910), (427, 74670), (570, 55937), (610, 52269), (655, 48678), (665, 47946), (786, 40565), (798, 39955), (854, 37335), (915, 34846), (917, 34770), (1159, 27510), (1281, 24890), (1310, 24339), (1330, 23973), (1830, 17423), (1834, 17385), (1965, 16226), (1995, 15982), (2135, 14934), (2318, 13755), (2489, 12810), (2562, 12445), (2751, 11590), (3477, 9170), (3930, 8113), (3990, 7991), (4270, 7467), (4585, 6954), (4978, 6405), (5502, 5795)]