1640981580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{5419}}^1$

素因数の和:5548

約数の個数: 144

約数和(自身を含む): 5397799680

約数和(自身を除く): 3756818100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 245, 294, 309, 412, 420, 490, 515, 588, 618, 721, 735, 980, 1030, 1236, 1442, 1470, 1545, 2060, 2163, 2884, 2940, 3090, 3605, 4326, 5047, 5419, 6180, 7210, 8652, 10094, 10815, 10838, 14420, 15141, 16257, 20188, 21630, 21676, 25235, 27095, 30282, 32514, 37933, 43260, 50470, 54190, 60564, 65028, 75705, 75866, 81285, 100940, 108380, 113799, 151410, 151732, 162570, 189665, 227598, 265531, 302820, 325140, 379330, 455196, 531062, 558157, 568995, 758660, 796593, 1062124, 1116314, 1137990, 1327655, 1593186, 1674471, 2232628, 2275980, 2655310, 2790785, 3186372, 3348942, 3907099, 3982965, 5310620, 5581570, 6697884, 7814198, 7965930, 8372355, 11163140, 11721297, 15628396, 15931860, 16744710, 19535495, 23442594, 27349693, 33489420, 39070990, 46885188, 54699386, 58606485, 78141980, 82049079, 109398772, 117212970, 136748465, 164098158, 234425940, 273496930, 328196316, 410245395, 546993860, 820490790, 1640981580]

約数ペア:

[(1, 1640981580), (2, 820490790), (3, 546993860), (4, 410245395), (5, 328196316), (6, 273496930), (7, 234425940), (10, 164098158), (12, 136748465), (14, 117212970), (15, 109398772), (20, 82049079), (21, 78141980), (28, 58606485), (30, 54699386), (35, 46885188), (42, 39070990), (49, 33489420), (60, 27349693), (70, 23442594), (84, 19535495), (98, 16744710), (103, 15931860), (105, 15628396), (140, 11721297), (147, 11163140), (196, 8372355), (206, 7965930), (210, 7814198), (245, 6697884), (294, 5581570), (309, 5310620), (412, 3982965), (420, 3907099), (490, 3348942), (515, 3186372), (588, 2790785), (618, 2655310), (721, 2275980), (735, 2232628), (980, 1674471), (1030, 1593186), (1236, 1327655), (1442, 1137990), (1470, 1116314), (1545, 1062124), (2060, 796593), (2163, 758660), (2884, 568995), (2940, 558157), (3090, 531062), (3605, 455196), (4326, 379330), (5047, 325140), (5419, 302820), (6180, 265531), (7210, 227598), (8652, 189665), (10094, 162570), (10815, 151732), (10838, 151410), (14420, 113799), (15141, 108380), (16257, 100940), (20188, 81285), (21630, 75866), (21676, 75705), (25235, 65028), (27095, 60564), (30282, 54190), (32514, 50470), (37933, 43260)]