155151280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:974

約数の個数: 80

約数和(自身を含む): 377904384

約数和(自身を除く): 222753104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 857, 1168, 1240, 1460, 1714, 2263, 2480, 2920, 3428, 4285, 4526, 5840, 6856, 8570, 9052, 11315, 13712, 17140, 18104, 22630, 26567, 34280, 36208, 45260, 53134, 62561, 68560, 90520, 106268, 125122, 132835, 181040, 212536, 250244, 265670, 312805, 425072, 500488, 531340, 625610, 1000976, 1062680, 1251220, 1939391, 2125360, 2502440, 3878782, 5004880, 7757564, 9696955, 15515128, 19393910, 31030256, 38787820, 77575640, 155151280]

約数ペア:

[(1, 155151280), (2, 77575640), (4, 38787820), (5, 31030256), (8, 19393910), (10, 15515128), (16, 9696955), (20, 7757564), (31, 5004880), (40, 3878782), (62, 2502440), (73, 2125360), (80, 1939391), (124, 1251220), (146, 1062680), (155, 1000976), (248, 625610), (292, 531340), (310, 500488), (365, 425072), (496, 312805), (584, 265670), (620, 250244), (730, 212536), (857, 181040), (1168, 132835), (1240, 125122), (1460, 106268), (1714, 90520), (2263, 68560), (2480, 62561), (2920, 53134), (3428, 45260), (4285, 36208), (4526, 34280), (5840, 26567), (6856, 22630), (8570, 18104), (9052, 17140), (11315, 13712)]