161243880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10103}}^1$

素因数の和:10143

約数の個数: 128

約数和(自身を含む): 581990400

約数和(自身を除く): 420746520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 10103, 15960, 20206, 30309, 40412, 50515, 60618, 70721, 80824, 101030, 121236, 141442, 151545, 191957, 202060, 212163, 242472, 282884, 303090, 353605, 383914, 404120, 424326, 565768, 575871, 606180, 707210, 767828, 848652, 959785, 1060815, 1151742, 1212360, 1343699, 1414420, 1535656, 1697304, 1919570, 2121630, 2303484, 2687398, 2828840, 2879355, 3839140, 4031097, 4243260, 4606968, 5374796, 5758710, 6718495, 7678280, 8062194, 8486520, 10749592, 11517420, 13436990, 16124388, 20155485, 23034840, 26873980, 32248776, 40310970, 53747960, 80621940, 161243880]

約数ペア:

[(1, 161243880), (2, 80621940), (3, 53747960), (4, 40310970), (5, 32248776), (6, 26873980), (7, 23034840), (8, 20155485), (10, 16124388), (12, 13436990), (14, 11517420), (15, 10749592), (19, 8486520), (20, 8062194), (21, 7678280), (24, 6718495), (28, 5758710), (30, 5374796), (35, 4606968), (38, 4243260), (40, 4031097), (42, 3839140), (56, 2879355), (57, 2828840), (60, 2687398), (70, 2303484), (76, 2121630), (84, 1919570), (95, 1697304), (105, 1535656), (114, 1414420), (120, 1343699), (133, 1212360), (140, 1151742), (152, 1060815), (168, 959785), (190, 848652), (210, 767828), (228, 707210), (266, 606180), (280, 575871), (285, 565768), (380, 424326), (399, 404120), (420, 383914), (456, 353605), (532, 303090), (570, 282884), (665, 242472), (760, 212163), (798, 202060), (840, 191957), (1064, 151545), (1140, 141442), (1330, 121236), (1596, 101030), (1995, 80824), (2280, 70721), (2660, 60618), (3192, 50515), (3990, 40412), (5320, 30309), (7980, 20206), (10103, 15960)]