728479440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25943}}^1$

素因数の和:25978

約数の個数: 160

約数和(自身を含む): 2702327040

約数和(自身を除く): 1973847600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 25943, 28080, 51886, 77829, 103772, 129715, 155658, 207544, 233487, 259430, 311316, 337259, 389145, 415088, 466974, 518860, 622632, 674518, 700461, 778290, 933948, 1011777, 1037720, 1167435, 1245264, 1349036, 1400922, 1556580, 1686295, 1867896, 2023554, 2075440, 2334870, 2698072, 2801844, 3035331, 3113160, 3372590, 3502305, 3735792, 4047108, 4669740, 5058885, 5396144, 5603688, 6070662, 6226320, 6745180, 7004610, 8094216, 9105993, 9339480, 10117770, 11207376, 12141324, 13490360, 14009220, 15176655, 16188432, 18211986, 18678960, 20235540, 24282648, 26980720, 28018440, 30353310, 36423972, 40471080, 45529965, 48565296, 56036880, 60706620, 72847944, 80942160, 91059930, 121413240, 145695888, 182119860, 242826480, 364239720, 728479440]

約数ペア:

[(1, 728479440), (2, 364239720), (3, 242826480), (4, 182119860), (5, 145695888), (6, 121413240), (8, 91059930), (9, 80942160), (10, 72847944), (12, 60706620), (13, 56036880), (15, 48565296), (16, 45529965), (18, 40471080), (20, 36423972), (24, 30353310), (26, 28018440), (27, 26980720), (30, 24282648), (36, 20235540), (39, 18678960), (40, 18211986), (45, 16188432), (48, 15176655), (52, 14009220), (54, 13490360), (60, 12141324), (65, 11207376), (72, 10117770), (78, 9339480), (80, 9105993), (90, 8094216), (104, 7004610), (108, 6745180), (117, 6226320), (120, 6070662), (130, 5603688), (135, 5396144), (144, 5058885), (156, 4669740), (180, 4047108), (195, 3735792), (208, 3502305), (216, 3372590), (234, 3113160), (240, 3035331), (260, 2801844), (270, 2698072), (312, 2334870), (351, 2075440), (360, 2023554), (390, 1867896), (432, 1686295), (468, 1556580), (520, 1400922), (540, 1349036), (585, 1245264), (624, 1167435), (702, 1037720), (720, 1011777), (780, 933948), (936, 778290), (1040, 700461), (1080, 674518), (1170, 622632), (1404, 518860), (1560, 466974), (1755, 415088), (1872, 389145), (2160, 337259), (2340, 311316), (2808, 259430), (3120, 233487), (3510, 207544), (4680, 155658), (5616, 129715), (7020, 103772), (9360, 77829), (14040, 51886), (25943, 28080)]