84212940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 192

約数和(自身を含む): 289981440

約数和(自身を除く): 205768500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 61, 70, 76, 84, 95, 105, 114, 122, 133, 140, 173, 183, 190, 210, 228, 244, 266, 285, 305, 346, 366, 380, 399, 420, 427, 519, 532, 570, 610, 665, 692, 732, 798, 854, 865, 915, 1038, 1140, 1159, 1211, 1220, 1281, 1330, 1596, 1708, 1730, 1830, 1995, 2076, 2135, 2318, 2422, 2562, 2595, 2660, 3287, 3460, 3477, 3633, 3660, 3990, 4270, 4636, 4844, 5124, 5190, 5795, 6055, 6405, 6574, 6954, 7266, 7980, 8113, 8540, 9861, 10380, 10553, 11590, 12110, 12810, 13148, 13908, 14532, 16226, 16435, 17385, 18165, 19722, 21106, 23009, 23180, 24220, 24339, 25620, 31659, 32452, 32870, 34770, 36330, 39444, 40565, 42212, 46018, 48678, 49305, 52765, 63318, 65740, 69027, 69540, 72660, 73871, 81130, 92036, 97356, 98610, 105530, 115045, 121695, 126636, 138054, 147742, 158295, 162260, 197220, 200507, 211060, 221613, 230090, 243390, 276108, 295484, 316590, 345135, 369355, 401014, 443226, 460180, 486780, 601521, 633180, 690270, 738710, 802028, 886452, 1002535, 1108065, 1203042, 1380540, 1403549, 1477420, 2005070, 2216130, 2406084, 2807098, 3007605, 4010140, 4210647, 4432260, 5614196, 6015210, 7017745, 8421294, 12030420, 14035490, 16842588, 21053235, 28070980, 42106470, 84212940]

約数ペア:

[(1, 84212940), (2, 42106470), (3, 28070980), (4, 21053235), (5, 16842588), (6, 14035490), (7, 12030420), (10, 8421294), (12, 7017745), (14, 6015210), (15, 5614196), (19, 4432260), (20, 4210647), (21, 4010140), (28, 3007605), (30, 2807098), (35, 2406084), (38, 2216130), (42, 2005070), (57, 1477420), (60, 1403549), (61, 1380540), (70, 1203042), (76, 1108065), (84, 1002535), (95, 886452), (105, 802028), (114, 738710), (122, 690270), (133, 633180), (140, 601521), (173, 486780), (183, 460180), (190, 443226), (210, 401014), (228, 369355), (244, 345135), (266, 316590), (285, 295484), (305, 276108), (346, 243390), (366, 230090), (380, 221613), (399, 211060), (420, 200507), (427, 197220), (519, 162260), (532, 158295), (570, 147742), (610, 138054), (665, 126636), (692, 121695), (732, 115045), (798, 105530), (854, 98610), (865, 97356), (915, 92036), (1038, 81130), (1140, 73871), (1159, 72660), (1211, 69540), (1220, 69027), (1281, 65740), (1330, 63318), (1596, 52765), (1708, 49305), (1730, 48678), (1830, 46018), (1995, 42212), (2076, 40565), (2135, 39444), (2318, 36330), (2422, 34770), (2562, 32870), (2595, 32452), (2660, 31659), (3287, 25620), (3460, 24339), (3477, 24220), (3633, 23180), (3660, 23009), (3990, 21106), (4270, 19722), (4636, 18165), (4844, 17385), (5124, 16435), (5190, 16226), (5795, 14532), (6055, 13908), (6405, 13148), (6574, 12810), (6954, 12110), (7266, 11590), (7980, 10553), (8113, 10380), (8540, 9861)]