171992940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3079}}^1$

素因数の和:3124

約数の個数: 144

約数和(自身を含む): 589881600

約数和(自身を除く): 417888660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1596, 1862, 1995, 2660, 2793, 2940, 3079, 3724, 3990, 4655, 5586, 6158, 7980, 9237, 9310, 11172, 12316, 13965, 15395, 18474, 18620, 21553, 27930, 30790, 36948, 43106, 46185, 55860, 58501, 61580, 64659, 86212, 92370, 107765, 117002, 129318, 150871, 175503, 184740, 215530, 234004, 258636, 292505, 301742, 323295, 351006, 409507, 431060, 452613, 585010, 603484, 646590, 702012, 754355, 819014, 877515, 905226, 1170020, 1228521, 1293180, 1508710, 1638028, 1755030, 1810452, 2047535, 2263065, 2457042, 2866549, 3017420, 3510060, 4095070, 4526130, 4914084, 5733098, 6142605, 8190140, 8599647, 9052260, 11466196, 12285210, 14332745, 17199294, 24570420, 28665490, 34398588, 42998235, 57330980, 85996470, 171992940]

約数ペア:

[(1, 171992940), (2, 85996470), (3, 57330980), (4, 42998235), (5, 34398588), (6, 28665490), (7, 24570420), (10, 17199294), (12, 14332745), (14, 12285210), (15, 11466196), (19, 9052260), (20, 8599647), (21, 8190140), (28, 6142605), (30, 5733098), (35, 4914084), (38, 4526130), (42, 4095070), (49, 3510060), (57, 3017420), (60, 2866549), (70, 2457042), (76, 2263065), (84, 2047535), (95, 1810452), (98, 1755030), (105, 1638028), (114, 1508710), (133, 1293180), (140, 1228521), (147, 1170020), (190, 905226), (196, 877515), (210, 819014), (228, 754355), (245, 702012), (266, 646590), (285, 603484), (294, 585010), (380, 452613), (399, 431060), (420, 409507), (490, 351006), (532, 323295), (570, 301742), (588, 292505), (665, 258636), (735, 234004), (798, 215530), (931, 184740), (980, 175503), (1140, 150871), (1330, 129318), (1470, 117002), (1596, 107765), (1862, 92370), (1995, 86212), (2660, 64659), (2793, 61580), (2940, 58501), (3079, 55860), (3724, 46185), (3990, 43106), (4655, 36948), (5586, 30790), (6158, 27930), (7980, 21553), (9237, 18620), (9310, 18474), (11172, 15395), (12316, 13965)]