205516920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 256

約数和(自身を含む): 755712000

約数和(自身を除く): 550195080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 79, 84, 95, 105, 114, 120, 133, 140, 152, 158, 163, 168, 190, 210, 228, 237, 266, 280, 285, 316, 326, 380, 395, 399, 420, 456, 474, 489, 532, 553, 570, 632, 652, 665, 760, 790, 798, 815, 840, 948, 978, 1064, 1106, 1140, 1141, 1185, 1304, 1330, 1501, 1580, 1596, 1630, 1659, 1896, 1956, 1995, 2212, 2280, 2282, 2370, 2445, 2660, 2765, 3002, 3097, 3160, 3192, 3260, 3318, 3423, 3912, 3990, 4424, 4503, 4564, 4740, 4890, 5320, 5530, 5705, 6004, 6194, 6520, 6636, 6846, 7505, 7980, 8295, 9006, 9128, 9291, 9480, 9780, 10507, 11060, 11410, 12008, 12388, 12877, 13272, 13692, 15010, 15485, 15960, 16590, 17115, 18012, 18582, 19560, 21014, 21679, 22120, 22515, 22820, 24776, 25754, 27384, 30020, 30970, 31521, 33180, 34230, 36024, 37164, 38631, 42028, 43358, 45030, 45640, 46455, 51508, 52535, 60040, 61940, 63042, 64385, 65037, 66360, 68460, 74328, 77262, 84056, 86716, 90060, 90139, 92910, 103016, 105070, 108395, 123880, 126084, 128770, 130074, 136920, 154524, 157605, 173432, 180120, 180278, 185820, 193155, 210140, 216790, 244663, 252168, 257540, 260148, 270417, 309048, 315210, 325185, 360556, 371640, 386310, 420280, 433580, 450695, 489326, 515080, 520296, 540834, 630420, 650370, 721112, 733989, 772620, 867160, 901390, 978652, 1081668, 1223315, 1260840, 1300740, 1352085, 1467978, 1545240, 1712641, 1802780, 1957304, 2163336, 2446630, 2601480, 2704170, 2935956, 3425282, 3605560, 3669945, 4893260, 5137923, 5408340, 5871912, 6850564, 7339890, 8563205, 9786520, 10275846, 10816680, 13701128, 14679780, 17126410, 20551692, 25689615, 29359560, 34252820, 41103384, 51379230, 68505640, 102758460, 205516920]

約数ペア:

[(1, 205516920), (2, 102758460), (3, 68505640), (4, 51379230), (5, 41103384), (6, 34252820), (7, 29359560), (8, 25689615), (10, 20551692), (12, 17126410), (14, 14679780), (15, 13701128), (19, 10816680), (20, 10275846), (21, 9786520), (24, 8563205), (28, 7339890), (30, 6850564), (35, 5871912), (38, 5408340), (40, 5137923), (42, 4893260), (56, 3669945), (57, 3605560), (60, 3425282), (70, 2935956), (76, 2704170), (79, 2601480), (84, 2446630), (95, 2163336), (105, 1957304), (114, 1802780), (120, 1712641), (133, 1545240), (140, 1467978), (152, 1352085), (158, 1300740), (163, 1260840), (168, 1223315), (190, 1081668), (210, 978652), (228, 901390), (237, 867160), (266, 772620), (280, 733989), (285, 721112), (316, 650370), (326, 630420), (380, 540834), (395, 520296), (399, 515080), (420, 489326), (456, 450695), (474, 433580), (489, 420280), (532, 386310), (553, 371640), (570, 360556), (632, 325185), (652, 315210), (665, 309048), (760, 270417), (790, 260148), (798, 257540), (815, 252168), (840, 244663), (948, 216790), (978, 210140), (1064, 193155), (1106, 185820), (1140, 180278), (1141, 180120), (1185, 173432), (1304, 157605), (1330, 154524), (1501, 136920), (1580, 130074), (1596, 128770), (1630, 126084), (1659, 123880), (1896, 108395), (1956, 105070), (1995, 103016), (2212, 92910), (2280, 90139), (2282, 90060), (2370, 86716), (2445, 84056), (2660, 77262), (2765, 74328), (3002, 68460), (3097, 66360), (3160, 65037), (3192, 64385), (3260, 63042), (3318, 61940), (3423, 60040), (3912, 52535), (3990, 51508), (4424, 46455), (4503, 45640), (4564, 45030), (4740, 43358), (4890, 42028), (5320, 38631), (5530, 37164), (5705, 36024), (6004, 34230), (6194, 33180), (6520, 31521), (6636, 30970), (6846, 30020), (7505, 27384), (7980, 25754), (8295, 24776), (9006, 22820), (9128, 22515), (9291, 22120), (9480, 21679), (9780, 21014), (10507, 19560), (11060, 18582), (11410, 18012), (12008, 17115), (12388, 16590), (12877, 15960), (13272, 15485), (13692, 15010)]