402896640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:702

約数の個数: 144

約数和(自身を含む): 1295078400

約数和(自身を除く): 892181760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 256, 320, 384, 439, 478, 480, 640, 717, 768, 878, 956, 960, 1195, 1280, 1317, 1434, 1756, 1912, 1920, 2195, 2390, 2634, 2868, 3512, 3585, 3824, 3840, 4390, 4780, 5268, 5736, 6585, 7024, 7170, 7648, 8780, 9560, 10536, 11472, 13170, 14048, 14340, 15296, 17560, 19120, 21072, 22944, 26340, 28096, 28680, 30592, 35120, 38240, 42144, 45888, 52680, 56192, 57360, 61184, 70240, 76480, 84288, 91776, 104921, 105360, 112384, 114720, 140480, 152960, 168576, 183552, 209842, 210720, 229440, 280960, 305920, 314763, 337152, 419684, 421440, 458880, 524605, 561920, 629526, 839368, 842880, 917760, 1049210, 1259052, 1573815, 1678736, 1685760, 2098420, 2518104, 3147630, 3357472, 4196840, 5036208, 6295260, 6714944, 8393680, 10072416, 12590520, 13429888, 16787360, 20144832, 25181040, 26859776, 33574720, 40289664, 50362080, 67149440, 80579328, 100724160, 134298880, 201448320, 402896640]

約数ペア:

[(1, 402896640), (2, 201448320), (3, 134298880), (4, 100724160), (5, 80579328), (6, 67149440), (8, 50362080), (10, 40289664), (12, 33574720), (15, 26859776), (16, 25181040), (20, 20144832), (24, 16787360), (30, 13429888), (32, 12590520), (40, 10072416), (48, 8393680), (60, 6714944), (64, 6295260), (80, 5036208), (96, 4196840), (120, 3357472), (128, 3147630), (160, 2518104), (192, 2098420), (239, 1685760), (240, 1678736), (256, 1573815), (320, 1259052), (384, 1049210), (439, 917760), (478, 842880), (480, 839368), (640, 629526), (717, 561920), (768, 524605), (878, 458880), (956, 421440), (960, 419684), (1195, 337152), (1280, 314763), (1317, 305920), (1434, 280960), (1756, 229440), (1912, 210720), (1920, 209842), (2195, 183552), (2390, 168576), (2634, 152960), (2868, 140480), (3512, 114720), (3585, 112384), (3824, 105360), (3840, 104921), (4390, 91776), (4780, 84288), (5268, 76480), (5736, 70240), (6585, 61184), (7024, 57360), (7170, 56192), (7648, 52680), (8780, 45888), (9560, 42144), (10536, 38240), (11472, 35120), (13170, 30592), (14048, 28680), (14340, 28096), (15296, 26340), (17560, 22944), (19120, 21072)]