657422080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 1813109760

約数和(自身を除く): 1155687680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 239, 256, 280, 307, 320, 448, 478, 560, 614, 640, 896, 956, 1120, 1195, 1228, 1280, 1535, 1673, 1792, 1912, 2149, 2240, 2390, 2456, 3070, 3346, 3824, 4298, 4480, 4780, 4912, 6140, 6692, 7648, 8365, 8596, 8960, 9560, 9824, 10745, 12280, 13384, 15296, 16730, 17192, 19120, 19648, 21490, 24560, 26768, 30592, 33460, 34384, 38240, 39296, 42980, 49120, 53536, 61184, 66920, 68768, 73373, 76480, 78592, 85960, 98240, 107072, 133840, 137536, 146746, 152960, 171920, 196480, 214144, 267680, 275072, 293492, 305920, 343840, 366865, 392960, 428288, 513611, 535360, 550144, 586984, 687680, 733730, 1027222, 1070720, 1173968, 1375360, 1467460, 2054444, 2141440, 2347936, 2568055, 2750720, 2934920, 4108888, 4695872, 5136110, 5869840, 8217776, 9391744, 10272220, 11739680, 16435552, 18783488, 20544440, 23479360, 32871104, 41088880, 46958720, 65742208, 82177760, 93917440, 131484416, 164355520, 328711040, 657422080]

約数ペア:

[(1, 657422080), (2, 328711040), (4, 164355520), (5, 131484416), (7, 93917440), (8, 82177760), (10, 65742208), (14, 46958720), (16, 41088880), (20, 32871104), (28, 23479360), (32, 20544440), (35, 18783488), (40, 16435552), (56, 11739680), (64, 10272220), (70, 9391744), (80, 8217776), (112, 5869840), (128, 5136110), (140, 4695872), (160, 4108888), (224, 2934920), (239, 2750720), (256, 2568055), (280, 2347936), (307, 2141440), (320, 2054444), (448, 1467460), (478, 1375360), (560, 1173968), (614, 1070720), (640, 1027222), (896, 733730), (956, 687680), (1120, 586984), (1195, 550144), (1228, 535360), (1280, 513611), (1535, 428288), (1673, 392960), (1792, 366865), (1912, 343840), (2149, 305920), (2240, 293492), (2390, 275072), (2456, 267680), (3070, 214144), (3346, 196480), (3824, 171920), (4298, 152960), (4480, 146746), (4780, 137536), (4912, 133840), (6140, 107072), (6692, 98240), (7648, 85960), (8365, 78592), (8596, 76480), (8960, 73373), (9560, 68768), (9824, 66920), (10745, 61184), (12280, 53536), (13384, 49120), (15296, 42980), (16730, 39296), (17192, 38240), (19120, 34384), (19648, 33460), (21490, 30592), (24560, 26768)]