16678620

素因数分解:

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

素因数の和:121

約数の個数: 216

約数和(自身を含む): 61746048

約数和(自身を除く): 45067428

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 49, 60, 61, 62, 63, 70, 84, 90, 93, 98, 105, 122, 124, 126, 140, 147, 155, 180, 183, 186, 196, 210, 217, 244, 245, 252, 279, 294, 305, 310, 315, 366, 372, 420, 427, 434, 441, 465, 490, 549, 558, 588, 610, 620, 630, 651, 732, 735, 854, 868, 882, 915, 930, 980, 1085, 1098, 1116, 1220, 1260, 1281, 1302, 1395, 1470, 1519, 1708, 1764, 1830, 1860, 1891, 1953, 2135, 2170, 2196, 2205, 2562, 2604, 2745, 2790, 2940, 2989, 3038, 3255, 3660, 3782, 3843, 3906, 4270, 4340, 4410, 4557, 5124, 5490, 5580, 5673, 5978, 6076, 6405, 6510, 7564, 7595, 7686, 7812, 8540, 8820, 8967, 9114, 9455, 9765, 10980, 11346, 11956, 12810, 13020, 13237, 13671, 14945, 15190, 15372, 17019, 17934, 18228, 18910, 19215, 19530, 22692, 22785, 25620, 26474, 26901, 27342, 28365, 29890, 30380, 34038, 35868, 37820, 38430, 39060, 39711, 44835, 45570, 52948, 53802, 54684, 56730, 59780, 66185, 68076, 68355, 76860, 79422, 85095, 89670, 91140, 92659, 107604, 113460, 119133, 132370, 134505, 136710, 158844, 170190, 179340, 185318, 198555, 238266, 264740, 269010, 273420, 277977, 340380, 370636, 397110, 463295, 476532, 538020, 555954, 595665, 794220, 833931, 926590, 1111908, 1191330, 1389885, 1667862, 1853180, 2382660, 2779770, 3335724, 4169655, 5559540, 8339310, 16678620]

約数ペア:

[(1, 16678620), (2, 8339310), (3, 5559540), (4, 4169655), (5, 3335724), (6, 2779770), (7, 2382660), (9, 1853180), (10, 1667862), (12, 1389885), (14, 1191330), (15, 1111908), (18, 926590), (20, 833931), (21, 794220), (28, 595665), (30, 555954), (31, 538020), (35, 476532), (36, 463295), (42, 397110), (45, 370636), (49, 340380), (60, 277977), (61, 273420), (62, 269010), (63, 264740), (70, 238266), (84, 198555), (90, 185318), (93, 179340), (98, 170190), (105, 158844), (122, 136710), (124, 134505), (126, 132370), (140, 119133), (147, 113460), (155, 107604), (180, 92659), (183, 91140), (186, 89670), (196, 85095), (210, 79422), (217, 76860), (244, 68355), (245, 68076), (252, 66185), (279, 59780), (294, 56730), (305, 54684), (310, 53802), (315, 52948), (366, 45570), (372, 44835), (420, 39711), (427, 39060), (434, 38430), (441, 37820), (465, 35868), (490, 34038), (549, 30380), (558, 29890), (588, 28365), (610, 27342), (620, 26901), (630, 26474), (651, 25620), (732, 22785), (735, 22692), (854, 19530), (868, 19215), (882, 18910), (915, 18228), (930, 17934), (980, 17019), (1085, 15372), (1098, 15190), (1116, 14945), (1220, 13671), (1260, 13237), (1281, 13020), (1302, 12810), (1395, 11956), (1470, 11346), (1519, 10980), (1708, 9765), (1764, 9455), (1830, 9114), (1860, 8967), (1891, 8820), (1953, 8540), (2135, 7812), (2170, 7686), (2196, 7595), (2205, 7564), (2562, 6510), (2604, 6405), (2745, 6076), (2790, 5978), (2940, 5673), (2989, 5580), (3038, 5490), (3255, 5124), (3660, 4557), (3782, 4410), (3843, 4340), (3906, 4270)]