79684880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 219414528

約数和(自身を除く): 139729648

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, 127, 155, 176, 184, 220, 230, 248, 253, 254, 310, 341, 368, 440, 460, 496, 506, 508, 620, 635, 682, 713, 880, 920, 1012, 1016, 1240, 1265, 1270, 1364, 1397, 1426, 1705, 1840, 2024, 2032, 2480, 2530, 2540, 2728, 2794, 2852, 2921, 3410, 3565, 3937, 4048, 5060, 5080, 5456, 5588, 5704, 5842, 6820, 6985, 7130, 7843, 7874, 10120, 10160, 11176, 11408, 11684, 13640, 13970, 14260, 14605, 15686, 15748, 19685, 20240, 22352, 23368, 27280, 27940, 28520, 29210, 31372, 31496, 32131, 39215, 39370, 43307, 46736, 55880, 57040, 58420, 62744, 62992, 64262, 78430, 78740, 86614, 90551, 111760, 116840, 125488, 128524, 156860, 157480, 160655, 173228, 181102, 216535, 233680, 257048, 313720, 314960, 321310, 346456, 362204, 433070, 452755, 514096, 627440, 642620, 692912, 724408, 866140, 905510, 996061, 1285240, 1448816, 1732280, 1811020, 1992122, 2570480, 3464560, 3622040, 3984244, 4980305, 7244080, 7968488, 9960610, 15936976, 19921220, 39842440, 79684880]

約数ペア:

[(1, 79684880), (2, 39842440), (4, 19921220), (5, 15936976), (8, 9960610), (10, 7968488), (11, 7244080), (16, 4980305), (20, 3984244), (22, 3622040), (23, 3464560), (31, 2570480), (40, 1992122), (44, 1811020), (46, 1732280), (55, 1448816), (62, 1285240), (80, 996061), (88, 905510), (92, 866140), (110, 724408), (115, 692912), (124, 642620), (127, 627440), (155, 514096), (176, 452755), (184, 433070), (220, 362204), (230, 346456), (248, 321310), (253, 314960), (254, 313720), (310, 257048), (341, 233680), (368, 216535), (440, 181102), (460, 173228), (496, 160655), (506, 157480), (508, 156860), (620, 128524), (635, 125488), (682, 116840), (713, 111760), (880, 90551), (920, 86614), (1012, 78740), (1016, 78430), (1240, 64262), (1265, 62992), (1270, 62744), (1364, 58420), (1397, 57040), (1426, 55880), (1705, 46736), (1840, 43307), (2024, 39370), (2032, 39215), (2480, 32131), (2530, 31496), (2540, 31372), (2728, 29210), (2794, 28520), (2852, 27940), (2921, 27280), (3410, 23368), (3565, 22352), (3937, 20240), (4048, 19685), (5060, 15748), (5080, 15686), (5456, 14605), (5588, 14260), (5704, 13970), (5842, 13640), (6820, 11684), (6985, 11408), (7130, 11176), (7843, 10160), (7874, 10120)]