47828970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 148711680

約数和(自身を除く): 100882710

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 31, 35, 42, 45, 62, 63, 70, 79, 90, 93, 105, 126, 155, 158, 186, 210, 217, 237, 279, 310, 315, 395, 434, 465, 474, 553, 558, 630, 651, 711, 790, 930, 961, 1085, 1106, 1185, 1302, 1395, 1422, 1659, 1922, 1953, 2170, 2370, 2449, 2765, 2790, 2883, 3255, 3318, 3555, 3906, 4805, 4898, 4977, 5530, 5766, 6510, 6727, 7110, 7347, 8295, 8649, 9610, 9765, 9954, 12245, 13454, 14415, 14694, 16590, 17143, 17298, 19530, 20181, 22041, 24490, 24885, 28830, 33635, 34286, 36735, 40362, 43245, 44082, 49770, 51429, 60543, 67270, 73470, 75919, 85715, 86490, 100905, 102858, 110205, 121086, 151838, 154287, 171430, 201810, 220410, 227757, 257145, 302715, 308574, 379595, 455514, 514290, 531433, 605430, 683271, 759190, 771435, 1062866, 1138785, 1366542, 1542870, 1594299, 2277570, 2657165, 3188598, 3416355, 4782897, 5314330, 6832710, 7971495, 9565794, 15942990, 23914485, 47828970]

約数ペア:

[(1, 47828970), (2, 23914485), (3, 15942990), (5, 9565794), (6, 7971495), (7, 6832710), (9, 5314330), (10, 4782897), (14, 3416355), (15, 3188598), (18, 2657165), (21, 2277570), (30, 1594299), (31, 1542870), (35, 1366542), (42, 1138785), (45, 1062866), (62, 771435), (63, 759190), (70, 683271), (79, 605430), (90, 531433), (93, 514290), (105, 455514), (126, 379595), (155, 308574), (158, 302715), (186, 257145), (210, 227757), (217, 220410), (237, 201810), (279, 171430), (310, 154287), (315, 151838), (395, 121086), (434, 110205), (465, 102858), (474, 100905), (553, 86490), (558, 85715), (630, 75919), (651, 73470), (711, 67270), (790, 60543), (930, 51429), (961, 49770), (1085, 44082), (1106, 43245), (1185, 40362), (1302, 36735), (1395, 34286), (1422, 33635), (1659, 28830), (1922, 24885), (1953, 24490), (2170, 22041), (2370, 20181), (2449, 19530), (2765, 17298), (2790, 17143), (2883, 16590), (3255, 14694), (3318, 14415), (3555, 13454), (3906, 12245), (4805, 9954), (4898, 9765), (4977, 9610), (5530, 8649), (5766, 8295), (6510, 7347), (6727, 7110)]