217345440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:663

約数の個数: 192

約数和(自身を含む): 750701952

約数和(自身を除く): 533356512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 61, 65, 78, 80, 96, 104, 120, 122, 130, 156, 160, 183, 195, 208, 240, 244, 260, 305, 312, 366, 390, 416, 480, 488, 520, 571, 610, 624, 732, 780, 793, 915, 976, 1040, 1142, 1220, 1248, 1464, 1560, 1586, 1713, 1830, 1952, 2080, 2284, 2379, 2440, 2855, 2928, 3120, 3172, 3426, 3660, 3965, 4568, 4758, 4880, 5710, 5856, 6240, 6344, 6852, 7320, 7423, 7930, 8565, 9136, 9516, 9760, 11420, 11895, 12688, 13704, 14640, 14846, 15860, 17130, 18272, 19032, 22269, 22840, 23790, 25376, 27408, 29280, 29692, 31720, 34260, 34831, 37115, 38064, 44538, 45680, 47580, 54816, 59384, 63440, 68520, 69662, 74230, 76128, 89076, 91360, 95160, 104493, 111345, 118768, 126880, 137040, 139324, 148460, 174155, 178152, 190320, 208986, 222690, 237536, 274080, 278648, 296920, 348310, 356304, 380640, 417972, 445380, 452803, 522465, 557296, 593840, 696620, 712608, 835944, 890760, 905606, 1044930, 1114592, 1187680, 1358409, 1393240, 1671888, 1781520, 1811212, 2089860, 2264015, 2716818, 2786480, 3343776, 3563040, 3622424, 4179720, 4528030, 5433636, 5572960, 6792045, 7244848, 8359440, 9056060, 10867272, 13584090, 14489696, 16718880, 18112120, 21734544, 27168180, 36224240, 43469088, 54336360, 72448480, 108672720, 217345440]

約数ペア:

[(1, 217345440), (2, 108672720), (3, 72448480), (4, 54336360), (5, 43469088), (6, 36224240), (8, 27168180), (10, 21734544), (12, 18112120), (13, 16718880), (15, 14489696), (16, 13584090), (20, 10867272), (24, 9056060), (26, 8359440), (30, 7244848), (32, 6792045), (39, 5572960), (40, 5433636), (48, 4528030), (52, 4179720), (60, 3622424), (61, 3563040), (65, 3343776), (78, 2786480), (80, 2716818), (96, 2264015), (104, 2089860), (120, 1811212), (122, 1781520), (130, 1671888), (156, 1393240), (160, 1358409), (183, 1187680), (195, 1114592), (208, 1044930), (240, 905606), (244, 890760), (260, 835944), (305, 712608), (312, 696620), (366, 593840), (390, 557296), (416, 522465), (480, 452803), (488, 445380), (520, 417972), (571, 380640), (610, 356304), (624, 348310), (732, 296920), (780, 278648), (793, 274080), (915, 237536), (976, 222690), (1040, 208986), (1142, 190320), (1220, 178152), (1248, 174155), (1464, 148460), (1560, 139324), (1586, 137040), (1713, 126880), (1830, 118768), (1952, 111345), (2080, 104493), (2284, 95160), (2379, 91360), (2440, 89076), (2855, 76128), (2928, 74230), (3120, 69662), (3172, 68520), (3426, 63440), (3660, 59384), (3965, 54816), (4568, 47580), (4758, 45680), (4880, 44538), (5710, 38064), (5856, 37115), (6240, 34831), (6344, 34260), (6852, 31720), (7320, 29692), (7423, 29280), (7930, 27408), (8565, 25376), (9136, 23790), (9516, 22840), (9760, 22269), (11420, 19032), (11895, 18272), (12688, 17130), (13704, 15860), (14640, 14846)]