259998480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:758

約数の個数: 240

約数和(自身を含む): 1012078080

約数和(自身を除く): 752079600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 79, 80, 84, 90, 105, 112, 120, 126, 140, 144, 158, 168, 180, 210, 237, 240, 252, 280, 315, 316, 336, 360, 395, 420, 474, 504, 553, 560, 630, 632, 653, 711, 720, 790, 840, 948, 1008, 1106, 1185, 1260, 1264, 1306, 1422, 1580, 1659, 1680, 1896, 1959, 2212, 2370, 2520, 2612, 2765, 2844, 3160, 3265, 3318, 3555, 3792, 3918, 4424, 4571, 4740, 4977, 5040, 5224, 5530, 5688, 5877, 6320, 6530, 6636, 7110, 7836, 8295, 8848, 9142, 9480, 9795, 9954, 10448, 11060, 11376, 11754, 13060, 13272, 13713, 14220, 15672, 16590, 18284, 18960, 19590, 19908, 22120, 22855, 23508, 24885, 26120, 26544, 27426, 28440, 29385, 31344, 33180, 36568, 39180, 39816, 41139, 44240, 45710, 47016, 49770, 51587, 52240, 54852, 56880, 58770, 66360, 68565, 73136, 78360, 79632, 82278, 91420, 94032, 99540, 103174, 109704, 117540, 132720, 137130, 154761, 156720, 164556, 182840, 199080, 205695, 206348, 219408, 235080, 257935, 274260, 309522, 329112, 361109, 365680, 398160, 411390, 412696, 464283, 470160, 515870, 548520, 619044, 658224, 722218, 773805, 822780, 825392, 928566, 1031740, 1083327, 1097040, 1238088, 1444436, 1547610, 1645560, 1805545, 1857132, 2063480, 2166654, 2321415, 2476176, 2888872, 3095220, 3249981, 3291120, 3611090, 3714264, 4126960, 4333308, 4642830, 5416635, 5777744, 6190440, 6499962, 7222180, 7428528, 8666616, 9285660, 10833270, 12380880, 12999924, 14444360, 16249905, 17333232, 18571320, 21666540, 25999848, 28888720, 32499810, 37142640, 43333080, 51999696, 64999620, 86666160, 129999240, 259998480]

約数ペア:

[(1, 259998480), (2, 129999240), (3, 86666160), (4, 64999620), (5, 51999696), (6, 43333080), (7, 37142640), (8, 32499810), (9, 28888720), (10, 25999848), (12, 21666540), (14, 18571320), (15, 17333232), (16, 16249905), (18, 14444360), (20, 12999924), (21, 12380880), (24, 10833270), (28, 9285660), (30, 8666616), (35, 7428528), (36, 7222180), (40, 6499962), (42, 6190440), (45, 5777744), (48, 5416635), (56, 4642830), (60, 4333308), (63, 4126960), (70, 3714264), (72, 3611090), (79, 3291120), (80, 3249981), (84, 3095220), (90, 2888872), (105, 2476176), (112, 2321415), (120, 2166654), (126, 2063480), (140, 1857132), (144, 1805545), (158, 1645560), (168, 1547610), (180, 1444436), (210, 1238088), (237, 1097040), (240, 1083327), (252, 1031740), (280, 928566), (315, 825392), (316, 822780), (336, 773805), (360, 722218), (395, 658224), (420, 619044), (474, 548520), (504, 515870), (553, 470160), (560, 464283), (630, 412696), (632, 411390), (653, 398160), (711, 365680), (720, 361109), (790, 329112), (840, 309522), (948, 274260), (1008, 257935), (1106, 235080), (1185, 219408), (1260, 206348), (1264, 205695), (1306, 199080), (1422, 182840), (1580, 164556), (1659, 156720), (1680, 154761), (1896, 137130), (1959, 132720), (2212, 117540), (2370, 109704), (2520, 103174), (2612, 99540), (2765, 94032), (2844, 91420), (3160, 82278), (3265, 79632), (3318, 78360), (3555, 73136), (3792, 68565), (3918, 66360), (4424, 58770), (4571, 56880), (4740, 54852), (4977, 52240), (5040, 51587), (5224, 49770), (5530, 47016), (5688, 45710), (5877, 44240), (6320, 41139), (6530, 39816), (6636, 39180), (7110, 36568), (7836, 33180), (8295, 31344), (8848, 29385), (9142, 28440), (9480, 27426), (9795, 26544), (9954, 26120), (10448, 24885), (11060, 23508), (11376, 22855), (11754, 22120), (13060, 19908), (13272, 19590), (13713, 18960), (14220, 18284), (15672, 16590)]