42979640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 114462720

約数和(自身を除く): 71483080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 137, 155, 184, 220, 230, 248, 253, 274, 310, 341, 440, 460, 506, 548, 620, 682, 685, 713, 920, 1012, 1096, 1240, 1265, 1364, 1370, 1426, 1507, 1705, 2024, 2530, 2728, 2740, 2852, 3014, 3151, 3410, 3565, 4247, 5060, 5480, 5704, 6028, 6302, 6820, 7130, 7535, 7843, 8494, 10120, 12056, 12604, 13640, 14260, 15070, 15686, 15755, 16988, 21235, 25208, 28520, 30140, 31372, 31510, 33976, 34661, 39215, 42470, 46717, 60280, 62744, 63020, 69322, 78430, 84940, 93434, 97681, 126040, 138644, 156860, 169880, 173305, 186868, 195362, 233585, 277288, 313720, 346610, 373736, 390724, 467170, 488405, 693220, 781448, 934340, 976810, 1074491, 1386440, 1868680, 1953620, 2148982, 3907240, 4297964, 5372455, 8595928, 10744910, 21489820, 42979640]

約数ペア:

[(1, 42979640), (2, 21489820), (4, 10744910), (5, 8595928), (8, 5372455), (10, 4297964), (11, 3907240), (20, 2148982), (22, 1953620), (23, 1868680), (31, 1386440), (40, 1074491), (44, 976810), (46, 934340), (55, 781448), (62, 693220), (88, 488405), (92, 467170), (110, 390724), (115, 373736), (124, 346610), (137, 313720), (155, 277288), (184, 233585), (220, 195362), (230, 186868), (248, 173305), (253, 169880), (274, 156860), (310, 138644), (341, 126040), (440, 97681), (460, 93434), (506, 84940), (548, 78430), (620, 69322), (682, 63020), (685, 62744), (713, 60280), (920, 46717), (1012, 42470), (1096, 39215), (1240, 34661), (1265, 33976), (1364, 31510), (1370, 31372), (1426, 30140), (1507, 28520), (1705, 25208), (2024, 21235), (2530, 16988), (2728, 15755), (2740, 15686), (2852, 15070), (3014, 14260), (3151, 13640), (3410, 12604), (3565, 12056), (4247, 10120), (5060, 8494), (5480, 7843), (5704, 7535), (6028, 7130), (6302, 6820)]