74937660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 248209920

約数和(自身を除く): 173272260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 359, 420, 426, 490, 497, 588, 710, 718, 735, 852, 980, 994, 1065, 1077, 1420, 1436, 1470, 1491, 1795, 1988, 2130, 2154, 2485, 2513, 2940, 2982, 3479, 3590, 4260, 4308, 4970, 5026, 5385, 5964, 6958, 7180, 7455, 7539, 9940, 10052, 10437, 10770, 12565, 13916, 14910, 15078, 17395, 17591, 20874, 21540, 25130, 25489, 29820, 30156, 34790, 35182, 37695, 41748, 50260, 50978, 52185, 52773, 69580, 70364, 75390, 76467, 87955, 101956, 104370, 105546, 127445, 150780, 152934, 175910, 178423, 208740, 211092, 254890, 263865, 305868, 351820, 356846, 382335, 509780, 527730, 535269, 713692, 764670, 892115, 1055460, 1070538, 1248961, 1529340, 1784230, 2141076, 2497922, 2676345, 3568460, 3746883, 4995844, 5352690, 6244805, 7493766, 10705380, 12489610, 14987532, 18734415, 24979220, 37468830, 74937660]

約数ペア:

[(1, 74937660), (2, 37468830), (3, 24979220), (4, 18734415), (5, 14987532), (6, 12489610), (7, 10705380), (10, 7493766), (12, 6244805), (14, 5352690), (15, 4995844), (20, 3746883), (21, 3568460), (28, 2676345), (30, 2497922), (35, 2141076), (42, 1784230), (49, 1529340), (60, 1248961), (70, 1070538), (71, 1055460), (84, 892115), (98, 764670), (105, 713692), (140, 535269), (142, 527730), (147, 509780), (196, 382335), (210, 356846), (213, 351820), (245, 305868), (284, 263865), (294, 254890), (355, 211092), (359, 208740), (420, 178423), (426, 175910), (490, 152934), (497, 150780), (588, 127445), (710, 105546), (718, 104370), (735, 101956), (852, 87955), (980, 76467), (994, 75390), (1065, 70364), (1077, 69580), (1420, 52773), (1436, 52185), (1470, 50978), (1491, 50260), (1795, 41748), (1988, 37695), (2130, 35182), (2154, 34790), (2485, 30156), (2513, 29820), (2940, 25489), (2982, 25130), (3479, 21540), (3590, 20874), (4260, 17591), (4308, 17395), (4970, 15078), (5026, 14910), (5385, 13916), (5964, 12565), (6958, 10770), (7180, 10437), (7455, 10052), (7539, 9940)]