205702980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 288

約数和(自身を含む): 721953792

約数和(自身を除く): 516250812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 37, 42, 49, 60, 61, 62, 70, 74, 84, 93, 98, 105, 111, 122, 124, 140, 147, 148, 155, 183, 185, 186, 196, 210, 217, 222, 244, 245, 259, 294, 305, 310, 366, 370, 372, 420, 427, 434, 444, 465, 490, 518, 555, 588, 610, 620, 651, 732, 735, 740, 777, 854, 868, 915, 930, 980, 1036, 1085, 1110, 1147, 1220, 1281, 1295, 1302, 1470, 1519, 1554, 1708, 1813, 1830, 1860, 1891, 2135, 2170, 2220, 2257, 2294, 2562, 2590, 2604, 2940, 2989, 3038, 3108, 3255, 3441, 3626, 3660, 3782, 3885, 4270, 4340, 4514, 4557, 4588, 5124, 5180, 5439, 5673, 5735, 5978, 6076, 6405, 6510, 6771, 6882, 7252, 7564, 7595, 7770, 8029, 8540, 8967, 9028, 9065, 9114, 9455, 10878, 11285, 11346, 11470, 11956, 12810, 13020, 13237, 13542, 13764, 14945, 15190, 15540, 15799, 16058, 17205, 17934, 18130, 18228, 18910, 21756, 22570, 22692, 22785, 22940, 24087, 25620, 26474, 27084, 27195, 28365, 29890, 30380, 31598, 32116, 33855, 34410, 35868, 36260, 37820, 39711, 40145, 44835, 45140, 45570, 47397, 48174, 52948, 54390, 56203, 56730, 59780, 63196, 66185, 67710, 68820, 69967, 78995, 79422, 80290, 89670, 91140, 92659, 94794, 96348, 108780, 110593, 112406, 113460, 120435, 132370, 135420, 139934, 157990, 158844, 160580, 168609, 179340, 185318, 189588, 198555, 209901, 221186, 224812, 236985, 240870, 264740, 277977, 279868, 281015, 315980, 331779, 337218, 349835, 370636, 397110, 419802, 442372, 463295, 473970, 481740, 489769, 552965, 555954, 562030, 663558, 674436, 699670, 794220, 839604, 843045, 926590, 947940, 979538, 1049505, 1105930, 1111908, 1124060, 1327116, 1389885, 1399340, 1469307, 1658895, 1686090, 1853180, 1959076, 2099010, 2211860, 2448845, 2779770, 2938614, 3317790, 3372180, 3428383, 4198020, 4897690, 5559540, 5877228, 6635580, 6856766, 7346535, 9795380, 10285149, 13713532, 14693070, 17141915, 20570298, 29386140, 34283830, 41140596, 51425745, 68567660, 102851490, 205702980]

約数ペア:

[(1, 205702980), (2, 102851490), (3, 68567660), (4, 51425745), (5, 41140596), (6, 34283830), (7, 29386140), (10, 20570298), (12, 17141915), (14, 14693070), (15, 13713532), (20, 10285149), (21, 9795380), (28, 7346535), (30, 6856766), (31, 6635580), (35, 5877228), (37, 5559540), (42, 4897690), (49, 4198020), (60, 3428383), (61, 3372180), (62, 3317790), (70, 2938614), (74, 2779770), (84, 2448845), (93, 2211860), (98, 2099010), (105, 1959076), (111, 1853180), (122, 1686090), (124, 1658895), (140, 1469307), (147, 1399340), (148, 1389885), (155, 1327116), (183, 1124060), (185, 1111908), (186, 1105930), (196, 1049505), (210, 979538), (217, 947940), (222, 926590), (244, 843045), (245, 839604), (259, 794220), (294, 699670), (305, 674436), (310, 663558), (366, 562030), (370, 555954), (372, 552965), (420, 489769), (427, 481740), (434, 473970), (444, 463295), (465, 442372), (490, 419802), (518, 397110), (555, 370636), (588, 349835), (610, 337218), (620, 331779), (651, 315980), (732, 281015), (735, 279868), (740, 277977), (777, 264740), (854, 240870), (868, 236985), (915, 224812), (930, 221186), (980, 209901), (1036, 198555), (1085, 189588), (1110, 185318), (1147, 179340), (1220, 168609), (1281, 160580), (1295, 158844), (1302, 157990), (1470, 139934), (1519, 135420), (1554, 132370), (1708, 120435), (1813, 113460), (1830, 112406), (1860, 110593), (1891, 108780), (2135, 96348), (2170, 94794), (2220, 92659), (2257, 91140), (2294, 89670), (2562, 80290), (2590, 79422), (2604, 78995), (2940, 69967), (2989, 68820), (3038, 67710), (3108, 66185), (3255, 63196), (3441, 59780), (3626, 56730), (3660, 56203), (3782, 54390), (3885, 52948), (4270, 48174), (4340, 47397), (4514, 45570), (4557, 45140), (4588, 44835), (5124, 40145), (5180, 39711), (5439, 37820), (5673, 36260), (5735, 35868), (5978, 34410), (6076, 33855), (6405, 32116), (6510, 31598), (6771, 30380), (6882, 29890), (7252, 28365), (7564, 27195), (7595, 27084), (7770, 26474), (8029, 25620), (8540, 24087), (8967, 22940), (9028, 22785), (9065, 22692), (9114, 22570), (9455, 21756), (10878, 18910), (11285, 18228), (11346, 18130), (11470, 17934), (11956, 17205), (12810, 16058), (13020, 15799), (13237, 15540), (13542, 15190), (13764, 14945)]