181159040

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 467665920

約数和(自身を除く): 286506880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 155, 160, 184, 230, 248, 310, 320, 368, 397, 460, 496, 620, 640, 713, 736, 794, 920, 992, 1240, 1426, 1472, 1588, 1840, 1984, 1985, 2480, 2852, 2944, 3176, 3565, 3680, 3968, 3970, 4960, 5704, 6352, 7130, 7360, 7940, 9131, 9920, 11408, 12307, 12704, 14260, 14720, 15880, 18262, 19840, 22816, 24614, 25408, 28520, 31760, 36524, 45632, 45655, 49228, 50816, 57040, 61535, 63520, 73048, 91264, 91310, 98456, 114080, 123070, 127040, 146096, 182620, 196912, 228160, 246140, 254080, 283061, 292192, 365240, 393824, 456320, 492280, 566122, 584384, 730480, 787648, 984560, 1132244, 1168768, 1415305, 1460960, 1575296, 1969120, 2264488, 2830610, 2921920, 3938240, 4528976, 5661220, 5843840, 7876480, 9057952, 11322440, 18115904, 22644880, 36231808, 45289760, 90579520, 181159040]

約数ペア:

[(1, 181159040), (2, 90579520), (4, 45289760), (5, 36231808), (8, 22644880), (10, 18115904), (16, 11322440), (20, 9057952), (23, 7876480), (31, 5843840), (32, 5661220), (40, 4528976), (46, 3938240), (62, 2921920), (64, 2830610), (80, 2264488), (92, 1969120), (115, 1575296), (124, 1460960), (128, 1415305), (155, 1168768), (160, 1132244), (184, 984560), (230, 787648), (248, 730480), (310, 584384), (320, 566122), (368, 492280), (397, 456320), (460, 393824), (496, 365240), (620, 292192), (640, 283061), (713, 254080), (736, 246140), (794, 228160), (920, 196912), (992, 182620), (1240, 146096), (1426, 127040), (1472, 123070), (1588, 114080), (1840, 98456), (1984, 91310), (1985, 91264), (2480, 73048), (2852, 63520), (2944, 61535), (3176, 57040), (3565, 50816), (3680, 49228), (3968, 45655), (3970, 45632), (4960, 36524), (5704, 31760), (6352, 28520), (7130, 25408), (7360, 24614), (7940, 22816), (9131, 19840), (9920, 18262), (11408, 15880), (12307, 14720), (12704, 14260)]