15920568720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137341}}^1$

素因数の和:137390

約数の個数: 240

約数和(自身を含む): 63761847552

約数和(自身を除く): 47841278832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 48, 56, 60, 63, 69, 70, 72, 80, 84, 90, 92, 105, 112, 115, 120, 126, 138, 140, 144, 161, 168, 180, 184, 207, 210, 230, 240, 252, 276, 280, 315, 322, 336, 345, 360, 368, 414, 420, 460, 483, 504, 552, 560, 630, 644, 690, 720, 805, 828, 840, 920, 966, 1008, 1035, 1104, 1260, 1288, 1380, 1449, 1610, 1656, 1680, 1840, 1932, 2070, 2415, 2520, 2576, 2760, 2898, 3220, 3312, 3864, 4140, 4830, 5040, 5520, 5796, 6440, 7245, 7728, 8280, 9660, 11592, 12880, 14490, 16560, 19320, 23184, 28980, 38640, 57960, 115920, 137341, 274682, 412023, 549364, 686705, 824046, 961387, 1098728, 1236069, 1373410, 1648092, 1922774, 2060115, 2197456, 2472138, 2746820, 2884161, 3158843, 3296184, 3845548, 4120230, 4806935, 4944276, 5493640, 5768322, 6180345, 6317686, 6592368, 7691096, 8240460, 8652483, 9476529, 9613870, 9888552, 10987280, 11536644, 12360690, 12635372, 14420805, 15382192, 15794215, 16480920, 17304966, 18953058, 19227740, 19777104, 22111901, 23073288, 24721380, 25270744, 28429587, 28841610, 31588430, 32961840, 34609932, 37906116, 38455480, 43262415, 44223802, 46146576, 47382645, 49442760, 50541488, 56859174, 57683220, 63176860, 66335703, 69219864, 75812232, 76910960, 86524830, 88447604, 94765290, 98885520, 110559505, 113718348, 115366440, 126353720, 132671406, 138439728, 142147935, 151624464, 173049660, 176895208, 189530580, 199007109, 221119010, 227436696, 230732880, 252707440, 265342812, 284295870, 331678515, 346099320, 353790416, 379061160, 398014218, 442238020, 454873392, 530685624, 568591740, 663357030, 692198640, 758122320, 796028436, 884476040, 995035545, 1061371248, 1137183480, 1326714060, 1592056872, 1768952080, 1990071090, 2274366960, 2653428120, 3184113744, 3980142180, 5306856240, 7960284360, 15920568720]

約数ペア:

[(1, 15920568720), (2, 7960284360), (3, 5306856240), (4, 3980142180), (5, 3184113744), (6, 2653428120), (7, 2274366960), (8, 1990071090), (9, 1768952080), (10, 1592056872), (12, 1326714060), (14, 1137183480), (15, 1061371248), (16, 995035545), (18, 884476040), (20, 796028436), (21, 758122320), (23, 692198640), (24, 663357030), (28, 568591740), (30, 530685624), (35, 454873392), (36, 442238020), (40, 398014218), (42, 379061160), (45, 353790416), (46, 346099320), (48, 331678515), (56, 284295870), (60, 265342812), (63, 252707440), (69, 230732880), (70, 227436696), (72, 221119010), (80, 199007109), (84, 189530580), (90, 176895208), (92, 173049660), (105, 151624464), (112, 142147935), (115, 138439728), (120, 132671406), (126, 126353720), (138, 115366440), (140, 113718348), (144, 110559505), (161, 98885520), (168, 94765290), (180, 88447604), (184, 86524830), (207, 76910960), (210, 75812232), (230, 69219864), (240, 66335703), (252, 63176860), (276, 57683220), (280, 56859174), (315, 50541488), (322, 49442760), (336, 47382645), (345, 46146576), (360, 44223802), (368, 43262415), (414, 38455480), (420, 37906116), (460, 34609932), (483, 32961840), (504, 31588430), (552, 28841610), (560, 28429587), (630, 25270744), (644, 24721380), (690, 23073288), (720, 22111901), (805, 19777104), (828, 19227740), (840, 18953058), (920, 17304966), (966, 16480920), (1008, 15794215), (1035, 15382192), (1104, 14420805), (1260, 12635372), (1288, 12360690), (1380, 11536644), (1449, 10987280), (1610, 9888552), (1656, 9613870), (1680, 9476529), (1840, 8652483), (1932, 8240460), (2070, 7691096), (2415, 6592368), (2520, 6317686), (2576, 6180345), (2760, 5768322), (2898, 5493640), (3220, 4944276), (3312, 4806935), (3864, 4120230), (4140, 3845548), (4830, 3296184), (5040, 3158843), (5520, 2884161), (5796, 2746820), (6440, 2472138), (7245, 2197456), (7728, 2060115), (8280, 1922774), (9660, 1648092), (11592, 1373410), (12880, 1236069), (14490, 1098728), (16560, 961387), (19320, 824046), (23184, 686705), (28980, 549364), (38640, 412023), (57960, 274682), (115920, 137341)]