1395121280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3499}}^1$

素因数の和:3614

約数の個数: 128

約数和(自身を含む): 3855600000

約数和(自身を除く): 2460478720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 640, 712, 890, 896, 1120, 1246, 1424, 1780, 2240, 2492, 2848, 3115, 3499, 3560, 4480, 4984, 5696, 6230, 6998, 7120, 9968, 11392, 12460, 13996, 14240, 17495, 19936, 24493, 24920, 27992, 28480, 34990, 39872, 48986, 49840, 55984, 56960, 69980, 79744, 97972, 99680, 111968, 122465, 139960, 195944, 199360, 223936, 244930, 279920, 311411, 391888, 398720, 447872, 489860, 559840, 622822, 783776, 979720, 1119680, 1245644, 1557055, 1567552, 1959440, 2179877, 2239360, 2491288, 3114110, 3135104, 3918880, 4359754, 4982576, 6228220, 7837760, 8719508, 9965152, 10899385, 12456440, 15675520, 17439016, 19930304, 21798770, 24912880, 34878032, 39860608, 43597540, 49825760, 69756064, 87195080, 99651520, 139512128, 174390160, 199303040, 279024256, 348780320, 697560640, 1395121280]

約数ペア:

[(1, 1395121280), (2, 697560640), (4, 348780320), (5, 279024256), (7, 199303040), (8, 174390160), (10, 139512128), (14, 99651520), (16, 87195080), (20, 69756064), (28, 49825760), (32, 43597540), (35, 39860608), (40, 34878032), (56, 24912880), (64, 21798770), (70, 19930304), (80, 17439016), (89, 15675520), (112, 12456440), (128, 10899385), (140, 9965152), (160, 8719508), (178, 7837760), (224, 6228220), (280, 4982576), (320, 4359754), (356, 3918880), (445, 3135104), (448, 3114110), (560, 2491288), (623, 2239360), (640, 2179877), (712, 1959440), (890, 1567552), (896, 1557055), (1120, 1245644), (1246, 1119680), (1424, 979720), (1780, 783776), (2240, 622822), (2492, 559840), (2848, 489860), (3115, 447872), (3499, 398720), (3560, 391888), (4480, 311411), (4984, 279920), (5696, 244930), (6230, 223936), (6998, 199360), (7120, 195944), (9968, 139960), (11392, 122465), (12460, 111968), (13996, 99680), (14240, 97972), (17495, 79744), (19936, 69980), (24493, 56960), (24920, 55984), (27992, 49840), (28480, 48986), (34990, 39872)]