1445843840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4421}}^1$

素因数の和:4520

約数の個数: 128

約数和(自身を含む): 4005270720

約数和(自身を除く): 2559426880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 73, 80, 112, 128, 140, 146, 160, 224, 280, 292, 320, 365, 448, 511, 560, 584, 640, 730, 896, 1022, 1120, 1168, 1460, 2044, 2240, 2336, 2555, 2920, 4088, 4421, 4480, 4672, 5110, 5840, 8176, 8842, 9344, 10220, 11680, 16352, 17684, 20440, 22105, 23360, 30947, 32704, 35368, 40880, 44210, 46720, 61894, 65408, 70736, 81760, 88420, 123788, 141472, 154735, 163520, 176840, 247576, 282944, 309470, 322733, 327040, 353680, 495152, 565888, 618940, 645466, 707360, 990304, 1237880, 1290932, 1414720, 1613665, 1980608, 2259131, 2475760, 2581864, 2829440, 3227330, 3961216, 4518262, 4951520, 5163728, 6454660, 9036524, 9903040, 10327456, 11295655, 12909320, 18073048, 19806080, 20654912, 22591310, 25818640, 36146096, 41309824, 45182620, 51637280, 72292192, 90365240, 103274560, 144584384, 180730480, 206549120, 289168768, 361460960, 722921920, 1445843840]

約数ペア:

[(1, 1445843840), (2, 722921920), (4, 361460960), (5, 289168768), (7, 206549120), (8, 180730480), (10, 144584384), (14, 103274560), (16, 90365240), (20, 72292192), (28, 51637280), (32, 45182620), (35, 41309824), (40, 36146096), (56, 25818640), (64, 22591310), (70, 20654912), (73, 19806080), (80, 18073048), (112, 12909320), (128, 11295655), (140, 10327456), (146, 9903040), (160, 9036524), (224, 6454660), (280, 5163728), (292, 4951520), (320, 4518262), (365, 3961216), (448, 3227330), (511, 2829440), (560, 2581864), (584, 2475760), (640, 2259131), (730, 1980608), (896, 1613665), (1022, 1414720), (1120, 1290932), (1168, 1237880), (1460, 990304), (2044, 707360), (2240, 645466), (2336, 618940), (2555, 565888), (2920, 495152), (4088, 353680), (4421, 327040), (4480, 322733), (4672, 309470), (5110, 282944), (5840, 247576), (8176, 176840), (8842, 163520), (9344, 154735), (10220, 141472), (11680, 123788), (16352, 88420), (17684, 81760), (20440, 70736), (22105, 65408), (23360, 61894), (30947, 46720), (32704, 44210), (35368, 40880)]