27131580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 95868864

約数和(自身を除く): 68737284

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, 353, 366, 420, 427, 549, 610, 630, 706, 732, 854, 915, 1059, 1098, 1220, 1260, 1281, 1412, 1708, 1765, 1830, 2118, 2135, 2196, 2471, 2562, 2745, 3177, 3530, 3660, 3843, 4236, 4270, 4942, 5124, 5295, 5490, 6354, 6405, 7060, 7413, 7686, 8540, 9884, 10590, 10980, 12355, 12708, 12810, 14826, 15372, 15885, 19215, 21180, 21533, 22239, 24710, 25620, 29652, 31770, 37065, 38430, 43066, 44478, 49420, 63540, 64599, 74130, 76860, 86132, 88956, 107665, 111195, 129198, 148260, 150731, 193797, 215330, 222390, 258396, 301462, 322995, 387594, 430660, 444780, 452193, 602924, 645990, 753655, 775188, 904386, 968985, 1291980, 1356579, 1507310, 1808772, 1937970, 2260965, 2713158, 3014620, 3875940, 4521930, 5426316, 6782895, 9043860, 13565790, 27131580]

約数ペア:

[(1, 27131580), (2, 13565790), (3, 9043860), (4, 6782895), (5, 5426316), (6, 4521930), (7, 3875940), (9, 3014620), (10, 2713158), (12, 2260965), (14, 1937970), (15, 1808772), (18, 1507310), (20, 1356579), (21, 1291980), (28, 968985), (30, 904386), (35, 775188), (36, 753655), (42, 645990), (45, 602924), (60, 452193), (61, 444780), (63, 430660), (70, 387594), (84, 322995), (90, 301462), (105, 258396), (122, 222390), (126, 215330), (140, 193797), (180, 150731), (183, 148260), (210, 129198), (244, 111195), (252, 107665), (305, 88956), (315, 86132), (353, 76860), (366, 74130), (420, 64599), (427, 63540), (549, 49420), (610, 44478), (630, 43066), (706, 38430), (732, 37065), (854, 31770), (915, 29652), (1059, 25620), (1098, 24710), (1220, 22239), (1260, 21533), (1281, 21180), (1412, 19215), (1708, 15885), (1765, 15372), (1830, 14826), (2118, 12810), (2135, 12708), (2196, 12355), (2471, 10980), (2562, 10590), (2745, 9884), (3177, 8540), (3530, 7686), (3660, 7413), (3843, 7060), (4236, 6405), (4270, 6354), (4942, 5490), (5124, 5295)]