138885440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 112

約数和(自身を含む): 355518720

約数和(自身を除く): 216633280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 53, 64, 76, 80, 95, 106, 152, 160, 190, 212, 265, 304, 320, 380, 424, 431, 530, 608, 760, 848, 862, 1007, 1060, 1216, 1520, 1696, 1724, 2014, 2120, 2155, 3040, 3392, 3448, 4028, 4240, 4310, 5035, 6080, 6896, 8056, 8189, 8480, 8620, 10070, 13792, 16112, 16378, 16960, 17240, 20140, 22843, 27584, 32224, 32756, 34480, 40280, 40945, 45686, 64448, 65512, 68960, 80560, 81890, 91372, 114215, 131024, 137920, 161120, 163780, 182744, 228430, 262048, 322240, 327560, 365488, 434017, 456860, 524096, 655120, 730976, 868034, 913720, 1310240, 1461952, 1736068, 1827440, 2170085, 2620480, 3472136, 3654880, 4340170, 6944272, 7309760, 8680340, 13888544, 17360680, 27777088, 34721360, 69442720, 138885440]

約数ペア:

[(1, 138885440), (2, 69442720), (4, 34721360), (5, 27777088), (8, 17360680), (10, 13888544), (16, 8680340), (19, 7309760), (20, 6944272), (32, 4340170), (38, 3654880), (40, 3472136), (53, 2620480), (64, 2170085), (76, 1827440), (80, 1736068), (95, 1461952), (106, 1310240), (152, 913720), (160, 868034), (190, 730976), (212, 655120), (265, 524096), (304, 456860), (320, 434017), (380, 365488), (424, 327560), (431, 322240), (530, 262048), (608, 228430), (760, 182744), (848, 163780), (862, 161120), (1007, 137920), (1060, 131024), (1216, 114215), (1520, 91372), (1696, 81890), (1724, 80560), (2014, 68960), (2120, 65512), (2155, 64448), (3040, 45686), (3392, 40945), (3448, 40280), (4028, 34480), (4240, 32756), (4310, 32224), (5035, 27584), (6080, 22843), (6896, 20140), (8056, 17240), (8189, 16960), (8480, 16378), (8620, 16112), (10070, 13792)]