205533720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:935

約数の個数: 256

約数和(自身を含む): 809164800

約数和(自身を除く): 603631080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 877, 930, 945, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1754, 1860, 1890, 1953, 2170, 2232, 2520, 2604, 2631, 2790, 3255, 3348, 3508, 3720, 3780, 3906, 4185, 4340, 4385, 5208, 5262, 5580, 5859, 6139, 6510, 6696, 7016, 7560, 7812, 7893, 8370, 8680, 8770, 9765, 10524, 11160, 11718, 12278, 13020, 13155, 15624, 15786, 16740, 17540, 18417, 19530, 21048, 23436, 23679, 24556, 26040, 26310, 27187, 29295, 30695, 31572, 33480, 35080, 36834, 39060, 39465, 46872, 47358, 49112, 52620, 54374, 55251, 58590, 61390, 63144, 73668, 78120, 78930, 81561, 92085, 94716, 105240, 108748, 110502, 117180, 118395, 122780, 135935, 147336, 157860, 163122, 165753, 184170, 189432, 190309, 217496, 221004, 234360, 236790, 244683, 245560, 271870, 276255, 315720, 326244, 331506, 368340, 380618, 407805, 442008, 473580, 489366, 543740, 552510, 570927, 652488, 663012, 734049, 736680, 761236, 815610, 828765, 947160, 951545, 978732, 1087480, 1105020, 1141854, 1223415, 1326024, 1468098, 1522472, 1631220, 1657530, 1712781, 1903090, 1957464, 2210040, 2283708, 2446830, 2854635, 2936196, 3262440, 3315060, 3425562, 3670245, 3806180, 4567416, 4893660, 5138343, 5709270, 5872392, 6630120, 6851124, 7340490, 7612360, 8563905, 9787320, 10276686, 11418540, 13702248, 14680980, 17127810, 20553372, 22837080, 25691715, 29361960, 34255620, 41106744, 51383430, 68511240, 102766860, 205533720]

約数ペア:

[(1, 205533720), (2, 102766860), (3, 68511240), (4, 51383430), (5, 41106744), (6, 34255620), (7, 29361960), (8, 25691715), (9, 22837080), (10, 20553372), (12, 17127810), (14, 14680980), (15, 13702248), (18, 11418540), (20, 10276686), (21, 9787320), (24, 8563905), (27, 7612360), (28, 7340490), (30, 6851124), (31, 6630120), (35, 5872392), (36, 5709270), (40, 5138343), (42, 4893660), (45, 4567416), (54, 3806180), (56, 3670245), (60, 3425562), (62, 3315060), (63, 3262440), (70, 2936196), (72, 2854635), (84, 2446830), (90, 2283708), (93, 2210040), (105, 1957464), (108, 1903090), (120, 1712781), (124, 1657530), (126, 1631220), (135, 1522472), (140, 1468098), (155, 1326024), (168, 1223415), (180, 1141854), (186, 1105020), (189, 1087480), (210, 978732), (216, 951545), (217, 947160), (248, 828765), (252, 815610), (270, 761236), (279, 736680), (280, 734049), (310, 663012), (315, 652488), (360, 570927), (372, 552510), (378, 543740), (420, 489366), (434, 473580), (465, 442008), (504, 407805), (540, 380618), (558, 368340), (620, 331506), (630, 326244), (651, 315720), (744, 276255), (756, 271870), (837, 245560), (840, 244683), (868, 236790), (877, 234360), (930, 221004), (945, 217496), (1080, 190309), (1085, 189432), (1116, 184170), (1240, 165753), (1260, 163122), (1302, 157860), (1395, 147336), (1512, 135935), (1674, 122780), (1736, 118395), (1754, 117180), (1860, 110502), (1890, 108748), (1953, 105240), (2170, 94716), (2232, 92085), (2520, 81561), (2604, 78930), (2631, 78120), (2790, 73668), (3255, 63144), (3348, 61390), (3508, 58590), (3720, 55251), (3780, 54374), (3906, 52620), (4185, 49112), (4340, 47358), (4385, 46872), (5208, 39465), (5262, 39060), (5580, 36834), (5859, 35080), (6139, 33480), (6510, 31572), (6696, 30695), (7016, 29295), (7560, 27187), (7812, 26310), (7893, 26040), (8370, 24556), (8680, 23679), (8770, 23436), (9765, 21048), (10524, 19530), (11160, 18417), (11718, 17540), (12278, 16740), (13020, 15786), (13155, 15624)]