919720980

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 216

約数和(自身を含む): 2982531552

約数和(自身を除く): 2062810572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 163, 172, 180, 215, 243, 258, 270, 324, 326, 387, 405, 430, 486, 489, 516, 540, 645, 652, 729, 774, 810, 815, 860, 972, 978, 1161, 1215, 1290, 1458, 1467, 1548, 1620, 1630, 1935, 1956, 2187, 2322, 2430, 2445, 2580, 2916, 2934, 3260, 3483, 3645, 3870, 4374, 4401, 4644, 4860, 4890, 5805, 5868, 6561, 6966, 7009, 7290, 7335, 7740, 8748, 8802, 9780, 10449, 10935, 11610, 13122, 13203, 13932, 14018, 14580, 14670, 17415, 17604, 20898, 21027, 21870, 22005, 23220, 26244, 26406, 28036, 29340, 31347, 32805, 34830, 35045, 39609, 41796, 42054, 43740, 44010, 52245, 52812, 62694, 63081, 65610, 66015, 69660, 70090, 79218, 84108, 88020, 94041, 104490, 105135, 118827, 125388, 126162, 131220, 132030, 140180, 156735, 158436, 188082, 189243, 198045, 208980, 210270, 237654, 252324, 264060, 282123, 313470, 315405, 356481, 376164, 378486, 396090, 420540, 470205, 475308, 564246, 567729, 594135, 626940, 630810, 712962, 756972, 792180, 940410, 946215, 1069443, 1128492, 1135458, 1188270, 1261620, 1410615, 1425924, 1703187, 1782405, 1880820, 1892430, 2138886, 2270916, 2376540, 2821230, 2838645, 3406374, 3564810, 3784860, 4277772, 5109561, 5347215, 5642460, 5677290, 6812748, 7129620, 8515935, 10219122, 10694430, 11354580, 15328683, 17031870, 20438244, 21388860, 25547805, 30657366, 34063740, 45986049, 51095610, 61314732, 76643415, 91972098, 102191220, 153286830, 183944196, 229930245, 306573660, 459860490, 919720980]

約数ペア:

[(1, 919720980), (2, 459860490), (3, 306573660), (4, 229930245), (5, 183944196), (6, 153286830), (9, 102191220), (10, 91972098), (12, 76643415), (15, 61314732), (18, 51095610), (20, 45986049), (27, 34063740), (30, 30657366), (36, 25547805), (43, 21388860), (45, 20438244), (54, 17031870), (60, 15328683), (81, 11354580), (86, 10694430), (90, 10219122), (108, 8515935), (129, 7129620), (135, 6812748), (162, 5677290), (163, 5642460), (172, 5347215), (180, 5109561), (215, 4277772), (243, 3784860), (258, 3564810), (270, 3406374), (324, 2838645), (326, 2821230), (387, 2376540), (405, 2270916), (430, 2138886), (486, 1892430), (489, 1880820), (516, 1782405), (540, 1703187), (645, 1425924), (652, 1410615), (729, 1261620), (774, 1188270), (810, 1135458), (815, 1128492), (860, 1069443), (972, 946215), (978, 940410), (1161, 792180), (1215, 756972), (1290, 712962), (1458, 630810), (1467, 626940), (1548, 594135), (1620, 567729), (1630, 564246), (1935, 475308), (1956, 470205), (2187, 420540), (2322, 396090), (2430, 378486), (2445, 376164), (2580, 356481), (2916, 315405), (2934, 313470), (3260, 282123), (3483, 264060), (3645, 252324), (3870, 237654), (4374, 210270), (4401, 208980), (4644, 198045), (4860, 189243), (4890, 188082), (5805, 158436), (5868, 156735), (6561, 140180), (6966, 132030), (7009, 131220), (7290, 126162), (7335, 125388), (7740, 118827), (8748, 105135), (8802, 104490), (9780, 94041), (10449, 88020), (10935, 84108), (11610, 79218), (13122, 70090), (13203, 69660), (13932, 66015), (14018, 65610), (14580, 63081), (14670, 62694), (17415, 52812), (17604, 52245), (20898, 44010), (21027, 43740), (21870, 42054), (22005, 41796), (23220, 39609), (26244, 35045), (26406, 34830), (28036, 32805), (29340, 31347)]