213165720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 192

約数和(自身を含む): 746871840

約数和(自身を除く): 533706120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 61, 68, 72, 85, 90, 102, 120, 122, 136, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 360, 366, 408, 488, 510, 549, 571, 610, 612, 680, 732, 765, 915, 1020, 1037, 1098, 1142, 1220, 1224, 1464, 1530, 1713, 1830, 2040, 2074, 2196, 2284, 2440, 2745, 2855, 3060, 3111, 3426, 3660, 4148, 4392, 4568, 5139, 5185, 5490, 5710, 6120, 6222, 6852, 7320, 8296, 8565, 9333, 9707, 10278, 10370, 10980, 11420, 12444, 13704, 15555, 17130, 18666, 19414, 20556, 20740, 21960, 22840, 24888, 25695, 29121, 31110, 34260, 34831, 37332, 38828, 41112, 41480, 46665, 48535, 51390, 58242, 62220, 68520, 69662, 74664, 77656, 87363, 93330, 97070, 102780, 104493, 116484, 124440, 139324, 145605, 174155, 174726, 186660, 194140, 205560, 208986, 232968, 278648, 291210, 313479, 348310, 349452, 373320, 388280, 417972, 436815, 522465, 582420, 592127, 626958, 696620, 698904, 835944, 873630, 1044930, 1164840, 1184254, 1253916, 1393240, 1567395, 1747260, 1776381, 2089860, 2368508, 2507832, 2960635, 3134790, 3494520, 3552762, 4179720, 4737016, 5329143, 5921270, 6269580, 7105524, 8881905, 10658286, 11842540, 12539160, 14211048, 17763810, 21316572, 23685080, 26645715, 35527620, 42633144, 53291430, 71055240, 106582860, 213165720]

約数ペア:

[(1, 213165720), (2, 106582860), (3, 71055240), (4, 53291430), (5, 42633144), (6, 35527620), (8, 26645715), (9, 23685080), (10, 21316572), (12, 17763810), (15, 14211048), (17, 12539160), (18, 11842540), (20, 10658286), (24, 8881905), (30, 7105524), (34, 6269580), (36, 5921270), (40, 5329143), (45, 4737016), (51, 4179720), (60, 3552762), (61, 3494520), (68, 3134790), (72, 2960635), (85, 2507832), (90, 2368508), (102, 2089860), (120, 1776381), (122, 1747260), (136, 1567395), (153, 1393240), (170, 1253916), (180, 1184254), (183, 1164840), (204, 1044930), (244, 873630), (255, 835944), (305, 698904), (306, 696620), (340, 626958), (360, 592127), (366, 582420), (408, 522465), (488, 436815), (510, 417972), (549, 388280), (571, 373320), (610, 349452), (612, 348310), (680, 313479), (732, 291210), (765, 278648), (915, 232968), (1020, 208986), (1037, 205560), (1098, 194140), (1142, 186660), (1220, 174726), (1224, 174155), (1464, 145605), (1530, 139324), (1713, 124440), (1830, 116484), (2040, 104493), (2074, 102780), (2196, 97070), (2284, 93330), (2440, 87363), (2745, 77656), (2855, 74664), (3060, 69662), (3111, 68520), (3426, 62220), (3660, 58242), (4148, 51390), (4392, 48535), (4568, 46665), (5139, 41480), (5185, 41112), (5490, 38828), (5710, 37332), (6120, 34831), (6222, 34260), (6852, 31110), (7320, 29121), (8296, 25695), (8565, 24888), (9333, 22840), (9707, 21960), (10278, 20740), (10370, 20556), (10980, 19414), (11420, 18666), (12444, 17130), (13704, 15555)]