207917280

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:351

約数の個数: 240

約数和(自身を含む): 748639584

約数和(自身を除く): 540722304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 263, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 526, 540, 549, 610, 648, 720, 732, 789, 810, 864, 915, 976, 1052, 1080, 1098, 1220, 1296, 1315, 1440, 1464, 1578, 1620, 1647, 1830, 1952, 2104, 2160, 2196, 2367, 2440, 2592, 2630, 2745, 2928, 3156, 3240, 3294, 3660, 3945, 4208, 4320, 4392, 4734, 4880, 4941, 5260, 5490, 5856, 6312, 6480, 6588, 7101, 7320, 7890, 8235, 8416, 8784, 9468, 9760, 9882, 10520, 10980, 11835, 12624, 12960, 13176, 14202, 14640, 15780, 16043, 16470, 17568, 18936, 19764, 21040, 21303, 21960, 23670, 24705, 25248, 26352, 28404, 29280, 31560, 32086, 32940, 35505, 37872, 39528, 42080, 42606, 43920, 47340, 48129, 49410, 52704, 56808, 63120, 64172, 65880, 71010, 75744, 79056, 80215, 85212, 87840, 94680, 96258, 98820, 106515, 113616, 126240, 128344, 131760, 142020, 144387, 158112, 160430, 170424, 189360, 192516, 197640, 213030, 227232, 240645, 256688, 263520, 284040, 288774, 320860, 340848, 378720, 385032, 395280, 426060, 433161, 481290, 513376, 568080, 577548, 641720, 681696, 721935, 770064, 790560, 852120, 866322, 962580, 1136160, 1155096, 1283440, 1299483, 1443870, 1540128, 1704240, 1732644, 1925160, 2165805, 2310192, 2566880, 2598966, 2887740, 3408480, 3465288, 3850320, 4331610, 4620384, 5197932, 5775480, 6497415, 6930576, 7700640, 8663220, 10395864, 11550960, 12994830, 13861152, 17326440, 20791728, 23101920, 25989660, 34652880, 41583456, 51979320, 69305760, 103958640, 207917280]

約数ペア:

[(1, 207917280), (2, 103958640), (3, 69305760), (4, 51979320), (5, 41583456), (6, 34652880), (8, 25989660), (9, 23101920), (10, 20791728), (12, 17326440), (15, 13861152), (16, 12994830), (18, 11550960), (20, 10395864), (24, 8663220), (27, 7700640), (30, 6930576), (32, 6497415), (36, 5775480), (40, 5197932), (45, 4620384), (48, 4331610), (54, 3850320), (60, 3465288), (61, 3408480), (72, 2887740), (80, 2598966), (81, 2566880), (90, 2310192), (96, 2165805), (108, 1925160), (120, 1732644), (122, 1704240), (135, 1540128), (144, 1443870), (160, 1299483), (162, 1283440), (180, 1155096), (183, 1136160), (216, 962580), (240, 866322), (244, 852120), (263, 790560), (270, 770064), (288, 721935), (305, 681696), (324, 641720), (360, 577548), (366, 568080), (405, 513376), (432, 481290), (480, 433161), (488, 426060), (526, 395280), (540, 385032), (549, 378720), (610, 340848), (648, 320860), (720, 288774), (732, 284040), (789, 263520), (810, 256688), (864, 240645), (915, 227232), (976, 213030), (1052, 197640), (1080, 192516), (1098, 189360), (1220, 170424), (1296, 160430), (1315, 158112), (1440, 144387), (1464, 142020), (1578, 131760), (1620, 128344), (1647, 126240), (1830, 113616), (1952, 106515), (2104, 98820), (2160, 96258), (2196, 94680), (2367, 87840), (2440, 85212), (2592, 80215), (2630, 79056), (2745, 75744), (2928, 71010), (3156, 65880), (3240, 64172), (3294, 63120), (3660, 56808), (3945, 52704), (4208, 49410), (4320, 48129), (4392, 47340), (4734, 43920), (4880, 42606), (4941, 42080), (5260, 39528), (5490, 37872), (5856, 35505), (6312, 32940), (6480, 32086), (6588, 31560), (7101, 29280), (7320, 28404), (7890, 26352), (8235, 25248), (8416, 24705), (8784, 23670), (9468, 21960), (9760, 21303), (9882, 21040), (10520, 19764), (10980, 18936), (11835, 17568), (12624, 16470), (12960, 16043), (13176, 15780), (14202, 14640)]