213639720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1047

約数の個数: 128

約数和(自身を含む): 735436800

約数和(自身を除く): 521797080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 419, 420, 607, 838, 840, 1214, 1257, 1676, 1821, 2095, 2428, 2514, 2933, 3035, 3352, 3642, 4190, 4249, 4856, 5028, 5866, 6070, 6285, 7284, 8380, 8498, 8799, 9105, 10056, 11732, 12140, 12570, 12747, 14568, 14665, 16760, 16996, 17598, 18210, 21245, 23464, 24280, 25140, 25494, 29330, 33992, 35196, 36420, 42490, 43995, 50280, 50988, 58660, 63735, 70392, 72840, 84980, 87990, 101976, 117320, 127470, 169960, 175980, 254333, 254940, 351960, 508666, 509880, 762999, 1017332, 1271665, 1525998, 1780331, 2034664, 2543330, 3051996, 3560662, 3814995, 5086660, 5340993, 6103992, 7121324, 7629990, 8901655, 10173320, 10681986, 14242648, 15259980, 17803310, 21363972, 26704965, 30519960, 35606620, 42727944, 53409930, 71213240, 106819860, 213639720]

約数ペア:

[(1, 213639720), (2, 106819860), (3, 71213240), (4, 53409930), (5, 42727944), (6, 35606620), (7, 30519960), (8, 26704965), (10, 21363972), (12, 17803310), (14, 15259980), (15, 14242648), (20, 10681986), (21, 10173320), (24, 8901655), (28, 7629990), (30, 7121324), (35, 6103992), (40, 5340993), (42, 5086660), (56, 3814995), (60, 3560662), (70, 3051996), (84, 2543330), (105, 2034664), (120, 1780331), (140, 1525998), (168, 1271665), (210, 1017332), (280, 762999), (419, 509880), (420, 508666), (607, 351960), (838, 254940), (840, 254333), (1214, 175980), (1257, 169960), (1676, 127470), (1821, 117320), (2095, 101976), (2428, 87990), (2514, 84980), (2933, 72840), (3035, 70392), (3352, 63735), (3642, 58660), (4190, 50988), (4249, 50280), (4856, 43995), (5028, 42490), (5866, 36420), (6070, 35196), (6285, 33992), (7284, 29330), (8380, 25494), (8498, 25140), (8799, 24280), (9105, 23464), (10056, 21245), (11732, 18210), (12140, 17598), (12570, 16996), (12747, 16760), (14568, 14665)]