172345740

素因数分解:

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

素因数の和:149

約数の個数: 216

約数和(自身を含む): 589556016

約数和(自身を除く): 417210276

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 61, 62, 70, 84, 93, 98, 105, 122, 124, 140, 147, 155, 183, 186, 196, 210, 217, 244, 245, 294, 305, 310, 366, 372, 420, 427, 434, 465, 490, 588, 610, 620, 651, 732, 735, 854, 868, 915, 930, 961, 980, 1085, 1220, 1281, 1302, 1470, 1519, 1708, 1830, 1860, 1891, 1922, 2135, 2170, 2562, 2604, 2883, 2940, 2989, 3038, 3255, 3660, 3782, 3844, 4270, 4340, 4557, 4805, 5124, 5673, 5766, 5978, 6076, 6405, 6510, 6727, 7564, 7595, 8540, 8967, 9114, 9455, 9610, 11346, 11532, 11956, 12810, 13020, 13237, 13454, 14415, 14945, 15190, 17934, 18228, 18910, 19220, 20181, 22692, 22785, 25620, 26474, 26908, 28365, 28830, 29890, 30380, 33635, 35868, 37820, 39711, 40362, 44835, 45570, 47089, 52948, 56730, 57660, 58621, 59780, 66185, 67270, 79422, 80724, 89670, 91140, 92659, 94178, 100905, 113460, 117242, 132370, 134540, 141267, 158844, 175863, 179340, 185318, 188356, 198555, 201810, 234484, 235445, 264740, 277977, 282534, 293105, 351726, 370636, 397110, 403620, 410347, 463295, 470890, 555954, 565068, 586210, 703452, 706335, 794220, 820694, 879315, 926590, 941780, 1111908, 1172420, 1231041, 1389885, 1412670, 1641388, 1758630, 1853180, 2051735, 2462082, 2779770, 2825340, 2872429, 3517260, 4103470, 4924164, 5559540, 5744858, 6155205, 8206940, 8617287, 11489716, 12310410, 14362145, 17234574, 24620820, 28724290, 34469148, 43086435, 57448580, 86172870, 172345740]

約数ペア:

[(1, 172345740), (2, 86172870), (3, 57448580), (4, 43086435), (5, 34469148), (6, 28724290), (7, 24620820), (10, 17234574), (12, 14362145), (14, 12310410), (15, 11489716), (20, 8617287), (21, 8206940), (28, 6155205), (30, 5744858), (31, 5559540), (35, 4924164), (42, 4103470), (49, 3517260), (60, 2872429), (61, 2825340), (62, 2779770), (70, 2462082), (84, 2051735), (93, 1853180), (98, 1758630), (105, 1641388), (122, 1412670), (124, 1389885), (140, 1231041), (147, 1172420), (155, 1111908), (183, 941780), (186, 926590), (196, 879315), (210, 820694), (217, 794220), (244, 706335), (245, 703452), (294, 586210), (305, 565068), (310, 555954), (366, 470890), (372, 463295), (420, 410347), (427, 403620), (434, 397110), (465, 370636), (490, 351726), (588, 293105), (610, 282534), (620, 277977), (651, 264740), (732, 235445), (735, 234484), (854, 201810), (868, 198555), (915, 188356), (930, 185318), (961, 179340), (980, 175863), (1085, 158844), (1220, 141267), (1281, 134540), (1302, 132370), (1470, 117242), (1519, 113460), (1708, 100905), (1830, 94178), (1860, 92659), (1891, 91140), (1922, 89670), (2135, 80724), (2170, 79422), (2562, 67270), (2604, 66185), (2883, 59780), (2940, 58621), (2989, 57660), (3038, 56730), (3255, 52948), (3660, 47089), (3782, 45570), (3844, 44835), (4270, 40362), (4340, 39711), (4557, 37820), (4805, 35868), (5124, 33635), (5673, 30380), (5766, 29890), (5978, 28830), (6076, 28365), (6405, 26908), (6510, 26474), (6727, 25620), (7564, 22785), (7595, 22692), (8540, 20181), (8967, 19220), (9114, 18910), (9455, 18228), (9610, 17934), (11346, 15190), (11532, 14945), (11956, 14415), (12810, 13454), (13020, 13237)]