7147980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 26664960

約数和(自身を除く): 19516980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 61, 62, 63, 70, 84, 90, 93, 105, 108, 122, 124, 126, 135, 140, 155, 180, 183, 186, 189, 210, 217, 244, 252, 270, 279, 305, 310, 315, 366, 372, 378, 420, 427, 434, 465, 540, 549, 558, 610, 620, 630, 651, 732, 756, 837, 854, 868, 915, 930, 945, 1085, 1098, 1116, 1220, 1260, 1281, 1302, 1395, 1647, 1674, 1708, 1830, 1860, 1890, 1891, 1953, 2135, 2170, 2196, 2562, 2604, 2745, 2790, 3255, 3294, 3348, 3660, 3780, 3782, 3843, 3906, 4185, 4270, 4340, 5124, 5490, 5580, 5673, 5859, 6405, 6510, 6588, 7564, 7686, 7812, 8235, 8370, 8540, 9455, 9765, 10980, 11346, 11529, 11718, 12810, 13020, 13237, 15372, 16470, 16740, 17019, 18910, 19215, 19530, 22692, 23058, 23436, 25620, 26474, 28365, 29295, 32940, 34038, 37820, 38430, 39060, 39711, 46116, 51057, 52948, 56730, 57645, 58590, 66185, 68076, 76860, 79422, 85095, 102114, 113460, 115290, 117180, 119133, 132370, 158844, 170190, 198555, 204228, 230580, 238266, 255285, 264740, 340380, 357399, 397110, 476532, 510570, 595665, 714798, 794220, 1021140, 1191330, 1429596, 1786995, 2382660, 3573990, 7147980]

約数ペア:

[(1, 7147980), (2, 3573990), (3, 2382660), (4, 1786995), (5, 1429596), (6, 1191330), (7, 1021140), (9, 794220), (10, 714798), (12, 595665), (14, 510570), (15, 476532), (18, 397110), (20, 357399), (21, 340380), (27, 264740), (28, 255285), (30, 238266), (31, 230580), (35, 204228), (36, 198555), (42, 170190), (45, 158844), (54, 132370), (60, 119133), (61, 117180), (62, 115290), (63, 113460), (70, 102114), (84, 85095), (90, 79422), (93, 76860), (105, 68076), (108, 66185), (122, 58590), (124, 57645), (126, 56730), (135, 52948), (140, 51057), (155, 46116), (180, 39711), (183, 39060), (186, 38430), (189, 37820), (210, 34038), (217, 32940), (244, 29295), (252, 28365), (270, 26474), (279, 25620), (305, 23436), (310, 23058), (315, 22692), (366, 19530), (372, 19215), (378, 18910), (420, 17019), (427, 16740), (434, 16470), (465, 15372), (540, 13237), (549, 13020), (558, 12810), (610, 11718), (620, 11529), (630, 11346), (651, 10980), (732, 9765), (756, 9455), (837, 8540), (854, 8370), (868, 8235), (915, 7812), (930, 7686), (945, 7564), (1085, 6588), (1098, 6510), (1116, 6405), (1220, 5859), (1260, 5673), (1281, 5580), (1302, 5490), (1395, 5124), (1647, 4340), (1674, 4270), (1708, 4185), (1830, 3906), (1860, 3843), (1890, 3782), (1891, 3780), (1953, 3660), (2135, 3348), (2170, 3294), (2196, 3255), (2562, 2790), (2604, 2745)]