78287400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 287838720

約数和(自身を除く): 209551320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 31, 36, 40, 45, 46, 50, 60, 61, 62, 69, 72, 75, 90, 92, 93, 100, 115, 120, 122, 124, 138, 150, 155, 180, 183, 184, 186, 200, 207, 225, 230, 244, 248, 276, 279, 300, 305, 310, 345, 360, 366, 372, 414, 450, 460, 465, 488, 549, 552, 558, 575, 600, 610, 620, 690, 713, 732, 744, 775, 828, 900, 915, 920, 930, 1035, 1098, 1116, 1150, 1220, 1240, 1380, 1395, 1403, 1426, 1464, 1525, 1550, 1656, 1725, 1800, 1830, 1860, 1891, 2070, 2139, 2196, 2232, 2300, 2325, 2440, 2745, 2760, 2790, 2806, 2852, 3050, 3100, 3450, 3565, 3660, 3720, 3782, 4140, 4209, 4278, 4392, 4575, 4600, 4650, 5175, 5490, 5580, 5612, 5673, 5704, 6100, 6200, 6417, 6900, 6975, 7015, 7130, 7320, 7564, 8280, 8418, 8556, 9150, 9300, 9455, 10350, 10695, 10980, 11160, 11224, 11346, 12200, 12627, 12834, 13725, 13800, 13950, 14030, 14260, 15128, 16836, 17019, 17112, 17825, 18300, 18600, 18910, 20700, 21045, 21390, 21960, 22692, 25254, 25668, 27450, 27900, 28060, 28365, 28520, 32085, 33672, 34038, 35075, 35650, 36600, 37820, 41400, 42090, 42780, 43493, 45384, 47275, 50508, 51336, 53475, 54900, 55800, 56120, 56730, 63135, 64170, 68076, 70150, 71300, 75640, 84180, 85095, 85560, 86986, 94550, 101016, 105225, 106950, 109800, 113460, 126270, 128340, 130479, 136152, 140300, 141825, 142600, 160425, 168360, 170190, 173972, 189100, 210450, 213900, 217465, 226920, 252540, 256680, 260958, 280600, 283650, 315675, 320850, 340380, 347944, 378200, 391437, 420900, 425475, 427800, 434930, 505080, 521916, 567300, 631350, 641700, 652395, 680760, 782874, 841800, 850950, 869860, 1043832, 1087325, 1134600, 1262700, 1283400, 1304790, 1565748, 1701900, 1739720, 1957185, 2174650, 2525400, 2609580, 3131496, 3261975, 3403800, 3914370, 4349300, 5219160, 6523950, 7828740, 8698600, 9785925, 13047900, 15657480, 19571850, 26095800, 39143700, 78287400]

約数ペア:

[(1, 78287400), (2, 39143700), (3, 26095800), (4, 19571850), (5, 15657480), (6, 13047900), (8, 9785925), (9, 8698600), (10, 7828740), (12, 6523950), (15, 5219160), (18, 4349300), (20, 3914370), (23, 3403800), (24, 3261975), (25, 3131496), (30, 2609580), (31, 2525400), (36, 2174650), (40, 1957185), (45, 1739720), (46, 1701900), (50, 1565748), (60, 1304790), (61, 1283400), (62, 1262700), (69, 1134600), (72, 1087325), (75, 1043832), (90, 869860), (92, 850950), (93, 841800), (100, 782874), (115, 680760), (120, 652395), (122, 641700), (124, 631350), (138, 567300), (150, 521916), (155, 505080), (180, 434930), (183, 427800), (184, 425475), (186, 420900), (200, 391437), (207, 378200), (225, 347944), (230, 340380), (244, 320850), (248, 315675), (276, 283650), (279, 280600), (300, 260958), (305, 256680), (310, 252540), (345, 226920), (360, 217465), (366, 213900), (372, 210450), (414, 189100), (450, 173972), (460, 170190), (465, 168360), (488, 160425), (549, 142600), (552, 141825), (558, 140300), (575, 136152), (600, 130479), (610, 128340), (620, 126270), (690, 113460), (713, 109800), (732, 106950), (744, 105225), (775, 101016), (828, 94550), (900, 86986), (915, 85560), (920, 85095), (930, 84180), (1035, 75640), (1098, 71300), (1116, 70150), (1150, 68076), (1220, 64170), (1240, 63135), (1380, 56730), (1395, 56120), (1403, 55800), (1426, 54900), (1464, 53475), (1525, 51336), (1550, 50508), (1656, 47275), (1725, 45384), (1800, 43493), (1830, 42780), (1860, 42090), (1891, 41400), (2070, 37820), (2139, 36600), (2196, 35650), (2232, 35075), (2300, 34038), (2325, 33672), (2440, 32085), (2745, 28520), (2760, 28365), (2790, 28060), (2806, 27900), (2852, 27450), (3050, 25668), (3100, 25254), (3450, 22692), (3565, 21960), (3660, 21390), (3720, 21045), (3782, 20700), (4140, 18910), (4209, 18600), (4278, 18300), (4392, 17825), (4575, 17112), (4600, 17019), (4650, 16836), (5175, 15128), (5490, 14260), (5580, 14030), (5612, 13950), (5673, 13800), (5704, 13725), (6100, 12834), (6200, 12627), (6417, 12200), (6900, 11346), (6975, 11224), (7015, 11160), (7130, 10980), (7320, 10695), (7564, 10350), (8280, 9455), (8418, 9300), (8556, 9150)]