395520720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12391}}^1$

素因数の和:12433

約数の個数: 160

約数和(自身を含む): 1475143680

約数和(自身を除く): 1079622960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 12391, 15960, 24782, 31920, 37173, 49564, 61955, 74346, 86737, 99128, 123910, 148692, 173474, 185865, 198256, 235429, 247820, 260211, 297384, 346948, 371730, 433685, 470858, 495640, 520422, 594768, 693896, 706287, 743460, 867370, 941716, 991280, 1040844, 1177145, 1301055, 1387792, 1412574, 1486920, 1648003, 1734740, 1883432, 2081688, 2354290, 2602110, 2825148, 2973840, 3296006, 3469480, 3531435, 3766864, 4163376, 4708580, 4944009, 5204220, 5650296, 6592012, 6938960, 7062870, 8240015, 9417160, 9888018, 10408440, 11300592, 13184024, 14125740, 16480030, 18834320, 19776036, 20816880, 24720045, 26368048, 28251480, 32960060, 39552072, 49440090, 56502960, 65920120, 79104144, 98880180, 131840240, 197760360, 395520720]

約数ペア:

[(1, 395520720), (2, 197760360), (3, 131840240), (4, 98880180), (5, 79104144), (6, 65920120), (7, 56502960), (8, 49440090), (10, 39552072), (12, 32960060), (14, 28251480), (15, 26368048), (16, 24720045), (19, 20816880), (20, 19776036), (21, 18834320), (24, 16480030), (28, 14125740), (30, 13184024), (35, 11300592), (38, 10408440), (40, 9888018), (42, 9417160), (48, 8240015), (56, 7062870), (57, 6938960), (60, 6592012), (70, 5650296), (76, 5204220), (80, 4944009), (84, 4708580), (95, 4163376), (105, 3766864), (112, 3531435), (114, 3469480), (120, 3296006), (133, 2973840), (140, 2825148), (152, 2602110), (168, 2354290), (190, 2081688), (210, 1883432), (228, 1734740), (240, 1648003), (266, 1486920), (280, 1412574), (285, 1387792), (304, 1301055), (336, 1177145), (380, 1040844), (399, 991280), (420, 941716), (456, 867370), (532, 743460), (560, 706287), (570, 693896), (665, 594768), (760, 520422), (798, 495640), (840, 470858), (912, 433685), (1064, 371730), (1140, 346948), (1330, 297384), (1520, 260211), (1596, 247820), (1680, 235429), (1995, 198256), (2128, 185865), (2280, 173474), (2660, 148692), (3192, 123910), (3990, 99128), (4560, 86737), (5320, 74346), (6384, 61955), (7980, 49564), (10640, 37173), (12391, 31920), (15960, 24782)]