398531040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26783}}^1$

素因数の和:26832

約数の個数: 96

約数和(自身を含む): 1295917056

約数和(自身を除く): 897386016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 620, 744, 930, 992, 1240, 1488, 1860, 2480, 2976, 3720, 4960, 7440, 14880, 26783, 53566, 80349, 107132, 133915, 160698, 214264, 267830, 321396, 401745, 428528, 535660, 642792, 803490, 830273, 857056, 1071320, 1285584, 1606980, 1660546, 2142640, 2490819, 2571168, 3213960, 3321092, 4151365, 4285280, 4981638, 6427920, 6642184, 8302730, 9963276, 12454095, 12855840, 13284368, 16605460, 19926552, 24908190, 26568736, 33210920, 39853104, 49816380, 66421840, 79706208, 99632760, 132843680, 199265520, 398531040]

約数ペア:

[(1, 398531040), (2, 199265520), (3, 132843680), (4, 99632760), (5, 79706208), (6, 66421840), (8, 49816380), (10, 39853104), (12, 33210920), (15, 26568736), (16, 24908190), (20, 19926552), (24, 16605460), (30, 13284368), (31, 12855840), (32, 12454095), (40, 9963276), (48, 8302730), (60, 6642184), (62, 6427920), (80, 4981638), (93, 4285280), (96, 4151365), (120, 3321092), (124, 3213960), (155, 2571168), (160, 2490819), (186, 2142640), (240, 1660546), (248, 1606980), (310, 1285584), (372, 1071320), (465, 857056), (480, 830273), (496, 803490), (620, 642792), (744, 535660), (930, 428528), (992, 401745), (1240, 321396), (1488, 267830), (1860, 214264), (2480, 160698), (2976, 133915), (3720, 107132), (4960, 80349), (7440, 53566), (14880, 26783)]