164355520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 112

約数和(自身を含む): 450616320

約数和(自身を除く): 286260800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 239, 280, 307, 320, 448, 478, 560, 614, 956, 1120, 1195, 1228, 1535, 1673, 1912, 2149, 2240, 2390, 2456, 3070, 3346, 3824, 4298, 4780, 4912, 6140, 6692, 7648, 8365, 8596, 9560, 9824, 10745, 12280, 13384, 15296, 16730, 17192, 19120, 19648, 21490, 24560, 26768, 33460, 34384, 38240, 42980, 49120, 53536, 66920, 68768, 73373, 76480, 85960, 98240, 107072, 133840, 137536, 146746, 171920, 267680, 293492, 343840, 366865, 513611, 535360, 586984, 687680, 733730, 1027222, 1173968, 1467460, 2054444, 2347936, 2568055, 2934920, 4108888, 4695872, 5136110, 5869840, 8217776, 10272220, 11739680, 16435552, 20544440, 23479360, 32871104, 41088880, 82177760, 164355520]

約数ペア:

[(1, 164355520), (2, 82177760), (4, 41088880), (5, 32871104), (7, 23479360), (8, 20544440), (10, 16435552), (14, 11739680), (16, 10272220), (20, 8217776), (28, 5869840), (32, 5136110), (35, 4695872), (40, 4108888), (56, 2934920), (64, 2568055), (70, 2347936), (80, 2054444), (112, 1467460), (140, 1173968), (160, 1027222), (224, 733730), (239, 687680), (280, 586984), (307, 535360), (320, 513611), (448, 366865), (478, 343840), (560, 293492), (614, 267680), (956, 171920), (1120, 146746), (1195, 137536), (1228, 133840), (1535, 107072), (1673, 98240), (1912, 85960), (2149, 76480), (2240, 73373), (2390, 68768), (2456, 66920), (3070, 53536), (3346, 49120), (3824, 42980), (4298, 38240), (4780, 34384), (4912, 33460), (6140, 26768), (6692, 24560), (7648, 21490), (8365, 19648), (8596, 19120), (9560, 17192), (9824, 16730), (10745, 15296), (12280, 13384)]