321811840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2477}}^1$

素因数の和:2532

約数の個数: 128

約数和(自身を含む): 909921600

約数和(自身を除く): 588109760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 128, 140, 145, 160, 203, 224, 232, 280, 290, 320, 406, 448, 464, 560, 580, 640, 812, 896, 928, 1015, 1120, 1160, 1624, 1856, 2030, 2240, 2320, 2477, 3248, 3712, 4060, 4480, 4640, 4954, 6496, 8120, 9280, 9908, 12385, 12992, 16240, 17339, 18560, 19816, 24770, 25984, 32480, 34678, 39632, 49540, 64960, 69356, 71833, 79264, 86695, 99080, 129920, 138712, 143666, 158528, 173390, 198160, 277424, 287332, 317056, 346780, 359165, 396320, 502831, 554848, 574664, 693560, 718330, 792640, 1005662, 1109696, 1149328, 1387120, 1436660, 1585280, 2011324, 2219392, 2298656, 2514155, 2774240, 2873320, 4022648, 4597312, 5028310, 5548480, 5746640, 8045296, 9194624, 10056620, 11096960, 11493280, 16090592, 20113240, 22986560, 32181184, 40226480, 45973120, 64362368, 80452960, 160905920, 321811840]

約数ペア:

[(1, 321811840), (2, 160905920), (4, 80452960), (5, 64362368), (7, 45973120), (8, 40226480), (10, 32181184), (14, 22986560), (16, 20113240), (20, 16090592), (28, 11493280), (29, 11096960), (32, 10056620), (35, 9194624), (40, 8045296), (56, 5746640), (58, 5548480), (64, 5028310), (70, 4597312), (80, 4022648), (112, 2873320), (116, 2774240), (128, 2514155), (140, 2298656), (145, 2219392), (160, 2011324), (203, 1585280), (224, 1436660), (232, 1387120), (280, 1149328), (290, 1109696), (320, 1005662), (406, 792640), (448, 718330), (464, 693560), (560, 574664), (580, 554848), (640, 502831), (812, 396320), (896, 359165), (928, 346780), (1015, 317056), (1120, 287332), (1160, 277424), (1624, 198160), (1856, 173390), (2030, 158528), (2240, 143666), (2320, 138712), (2477, 129920), (3248, 99080), (3712, 86695), (4060, 79264), (4480, 71833), (4640, 69356), (4954, 64960), (6496, 49540), (8120, 39632), (9280, 34678), (9908, 32480), (12385, 25984), (12992, 24770), (16240, 19816), (17339, 18560)]