81688600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 237484800

約数和(自身を除く): 155796200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 37, 38, 40, 50, 56, 70, 74, 76, 83, 95, 100, 133, 140, 148, 152, 166, 175, 185, 190, 200, 259, 266, 280, 296, 332, 350, 370, 380, 415, 475, 518, 532, 581, 664, 665, 700, 703, 740, 760, 830, 925, 950, 1036, 1064, 1162, 1295, 1330, 1400, 1406, 1480, 1577, 1660, 1850, 1900, 2072, 2075, 2324, 2590, 2660, 2812, 2905, 3071, 3154, 3320, 3325, 3515, 3700, 3800, 4150, 4648, 4921, 5180, 5320, 5624, 5810, 6142, 6308, 6475, 6650, 7030, 7400, 7885, 8300, 9842, 10360, 11039, 11620, 12284, 12616, 12950, 13300, 14060, 14525, 15355, 15770, 16600, 17575, 19684, 21497, 22078, 23240, 24568, 24605, 25900, 26600, 28120, 29050, 30710, 31540, 35150, 39368, 39425, 42994, 44156, 49210, 51800, 55195, 58100, 58349, 61420, 63080, 70300, 76775, 78850, 85988, 88312, 98420, 107485, 110390, 116200, 116698, 122840, 123025, 140600, 153550, 157700, 171976, 196840, 214970, 220780, 233396, 246050, 275975, 291745, 307100, 315400, 408443, 429940, 441560, 466792, 492100, 537425, 551950, 583490, 614200, 816886, 859880, 984200, 1074850, 1103900, 1166980, 1458725, 1633772, 2042215, 2149700, 2207800, 2333960, 2917450, 3267544, 4084430, 4299400, 5834900, 8168860, 10211075, 11669800, 16337720, 20422150, 40844300, 81688600]

約数ペア:

[(1, 81688600), (2, 40844300), (4, 20422150), (5, 16337720), (7, 11669800), (8, 10211075), (10, 8168860), (14, 5834900), (19, 4299400), (20, 4084430), (25, 3267544), (28, 2917450), (35, 2333960), (37, 2207800), (38, 2149700), (40, 2042215), (50, 1633772), (56, 1458725), (70, 1166980), (74, 1103900), (76, 1074850), (83, 984200), (95, 859880), (100, 816886), (133, 614200), (140, 583490), (148, 551950), (152, 537425), (166, 492100), (175, 466792), (185, 441560), (190, 429940), (200, 408443), (259, 315400), (266, 307100), (280, 291745), (296, 275975), (332, 246050), (350, 233396), (370, 220780), (380, 214970), (415, 196840), (475, 171976), (518, 157700), (532, 153550), (581, 140600), (664, 123025), (665, 122840), (700, 116698), (703, 116200), (740, 110390), (760, 107485), (830, 98420), (925, 88312), (950, 85988), (1036, 78850), (1064, 76775), (1162, 70300), (1295, 63080), (1330, 61420), (1400, 58349), (1406, 58100), (1480, 55195), (1577, 51800), (1660, 49210), (1850, 44156), (1900, 42994), (2072, 39425), (2075, 39368), (2324, 35150), (2590, 31540), (2660, 30710), (2812, 29050), (2905, 28120), (3071, 26600), (3154, 25900), (3320, 24605), (3325, 24568), (3515, 23240), (3700, 22078), (3800, 21497), (4150, 19684), (4648, 17575), (4921, 16600), (5180, 15770), (5320, 15355), (5624, 14525), (5810, 14060), (6142, 13300), (6308, 12950), (6475, 12616), (6650, 12284), (7030, 11620), (7400, 11039), (7885, 10360), (8300, 9842)]