320052720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5447

約数の個数: 160

約数和(自身を含む): 1124928000

約数和(自身を除く): 804875280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4940, 5399, 5928, 7410, 9880, 10798, 11856, 14820, 16197, 19760, 21596, 26995, 29640, 32394, 43192, 53990, 59280, 64788, 70187, 80985, 86384, 102581, 107980, 129576, 140374, 161970, 205162, 210561, 215960, 259152, 280748, 307743, 323940, 350935, 410324, 421122, 431920, 512905, 561496, 615486, 647880, 701870, 820648, 842244, 1025810, 1052805, 1122992, 1230972, 1295760, 1333553, 1403740, 1538715, 1641296, 1684488, 2051620, 2105610, 2461944, 2667106, 2807480, 3077430, 3368976, 4000659, 4103240, 4211220, 4923888, 5334212, 5614960, 6154860, 6667765, 8001318, 8206480, 8422440, 10668424, 12309720, 13335530, 16002636, 16844880, 20003295, 21336848, 24619440, 26671060, 32005272, 40006590, 53342120, 64010544, 80013180, 106684240, 160026360, 320052720]

約数ペア:

[(1, 320052720), (2, 160026360), (3, 106684240), (4, 80013180), (5, 64010544), (6, 53342120), (8, 40006590), (10, 32005272), (12, 26671060), (13, 24619440), (15, 21336848), (16, 20003295), (19, 16844880), (20, 16002636), (24, 13335530), (26, 12309720), (30, 10668424), (38, 8422440), (39, 8206480), (40, 8001318), (48, 6667765), (52, 6154860), (57, 5614960), (60, 5334212), (65, 4923888), (76, 4211220), (78, 4103240), (80, 4000659), (95, 3368976), (104, 3077430), (114, 2807480), (120, 2667106), (130, 2461944), (152, 2105610), (156, 2051620), (190, 1684488), (195, 1641296), (208, 1538715), (228, 1403740), (240, 1333553), (247, 1295760), (260, 1230972), (285, 1122992), (304, 1052805), (312, 1025810), (380, 842244), (390, 820648), (456, 701870), (494, 647880), (520, 615486), (570, 561496), (624, 512905), (741, 431920), (760, 421122), (780, 410324), (912, 350935), (988, 323940), (1040, 307743), (1140, 280748), (1235, 259152), (1482, 215960), (1520, 210561), (1560, 205162), (1976, 161970), (2280, 140374), (2470, 129576), (2964, 107980), (3120, 102581), (3705, 86384), (3952, 80985), (4560, 70187), (4940, 64788), (5399, 59280), (5928, 53990), (7410, 43192), (9880, 32394), (10798, 29640), (11856, 26995), (14820, 21596), (16197, 19760)]