30820860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 108868032

約数和(自身を除く): 78047172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 401, 420, 427, 549, 610, 630, 732, 802, 854, 915, 1098, 1203, 1220, 1260, 1281, 1604, 1708, 1830, 2005, 2135, 2196, 2406, 2562, 2745, 2807, 3609, 3660, 3843, 4010, 4270, 4812, 5124, 5490, 5614, 6015, 6405, 7218, 7686, 8020, 8421, 8540, 10980, 11228, 12030, 12810, 14035, 14436, 15372, 16842, 18045, 19215, 24060, 24461, 25263, 25620, 28070, 33684, 36090, 38430, 42105, 48922, 50526, 56140, 72180, 73383, 76860, 84210, 97844, 101052, 122305, 126315, 146766, 168420, 171227, 220149, 244610, 252630, 293532, 342454, 366915, 440298, 489220, 505260, 513681, 684908, 733830, 856135, 880596, 1027362, 1100745, 1467660, 1541043, 1712270, 2054724, 2201490, 2568405, 3082086, 3424540, 4402980, 5136810, 6164172, 7705215, 10273620, 15410430, 30820860]

約数ペア:

[(1, 30820860), (2, 15410430), (3, 10273620), (4, 7705215), (5, 6164172), (6, 5136810), (7, 4402980), (9, 3424540), (10, 3082086), (12, 2568405), (14, 2201490), (15, 2054724), (18, 1712270), (20, 1541043), (21, 1467660), (28, 1100745), (30, 1027362), (35, 880596), (36, 856135), (42, 733830), (45, 684908), (60, 513681), (61, 505260), (63, 489220), (70, 440298), (84, 366915), (90, 342454), (105, 293532), (122, 252630), (126, 244610), (140, 220149), (180, 171227), (183, 168420), (210, 146766), (244, 126315), (252, 122305), (305, 101052), (315, 97844), (366, 84210), (401, 76860), (420, 73383), (427, 72180), (549, 56140), (610, 50526), (630, 48922), (732, 42105), (802, 38430), (854, 36090), (915, 33684), (1098, 28070), (1203, 25620), (1220, 25263), (1260, 24461), (1281, 24060), (1604, 19215), (1708, 18045), (1830, 16842), (2005, 15372), (2135, 14436), (2196, 14035), (2406, 12810), (2562, 12030), (2745, 11228), (2807, 10980), (3609, 8540), (3660, 8421), (3843, 8020), (4010, 7686), (4270, 7218), (4812, 6405), (5124, 6015), (5490, 5614)]