142428880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 390832128

約数和(自身を除く): 248403248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 176, 184, 220, 227, 230, 248, 253, 310, 341, 368, 440, 454, 460, 496, 506, 620, 682, 713, 880, 908, 920, 1012, 1135, 1240, 1265, 1364, 1426, 1705, 1816, 1840, 2024, 2270, 2480, 2497, 2530, 2728, 2852, 3410, 3565, 3632, 4048, 4540, 4994, 5060, 5221, 5456, 5704, 6820, 7037, 7130, 7843, 9080, 9988, 10120, 10442, 11408, 12485, 13640, 14074, 14260, 15686, 18160, 19976, 20240, 20884, 24970, 26105, 27280, 28148, 28520, 31372, 35185, 39215, 39952, 41768, 49940, 52210, 56296, 57040, 57431, 62744, 70370, 77407, 78430, 83536, 99880, 104420, 112592, 114862, 125488, 140740, 154814, 156860, 161851, 199760, 208840, 229724, 281480, 287155, 309628, 313720, 323702, 387035, 417680, 459448, 562960, 574310, 619256, 627440, 647404, 774070, 809255, 918896, 1148620, 1238512, 1294808, 1548140, 1618510, 1780361, 2297240, 2589616, 3096280, 3237020, 3560722, 4594480, 6192560, 6474040, 7121444, 8901805, 12948080, 14242888, 17803610, 28485776, 35607220, 71214440, 142428880]

約数ペア:

[(1, 142428880), (2, 71214440), (4, 35607220), (5, 28485776), (8, 17803610), (10, 14242888), (11, 12948080), (16, 8901805), (20, 7121444), (22, 6474040), (23, 6192560), (31, 4594480), (40, 3560722), (44, 3237020), (46, 3096280), (55, 2589616), (62, 2297240), (80, 1780361), (88, 1618510), (92, 1548140), (110, 1294808), (115, 1238512), (124, 1148620), (155, 918896), (176, 809255), (184, 774070), (220, 647404), (227, 627440), (230, 619256), (248, 574310), (253, 562960), (310, 459448), (341, 417680), (368, 387035), (440, 323702), (454, 313720), (460, 309628), (496, 287155), (506, 281480), (620, 229724), (682, 208840), (713, 199760), (880, 161851), (908, 156860), (920, 154814), (1012, 140740), (1135, 125488), (1240, 114862), (1265, 112592), (1364, 104420), (1426, 99880), (1705, 83536), (1816, 78430), (1840, 77407), (2024, 70370), (2270, 62744), (2480, 57431), (2497, 57040), (2530, 56296), (2728, 52210), (2852, 49940), (3410, 41768), (3565, 39952), (3632, 39215), (4048, 35185), (4540, 31372), (4994, 28520), (5060, 28148), (5221, 27280), (5456, 26105), (5704, 24970), (6820, 20884), (7037, 20240), (7130, 19976), (7843, 18160), (9080, 15686), (9988, 14260), (10120, 14074), (10442, 13640), (11408, 12485)]