128040240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 428186880

約数和(自身を除く): 300146640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 114, 120, 129, 152, 172, 190, 215, 228, 240, 258, 285, 304, 344, 380, 430, 456, 516, 570, 645, 653, 688, 760, 817, 860, 912, 1032, 1140, 1290, 1306, 1520, 1634, 1720, 1959, 2064, 2280, 2451, 2580, 2612, 3265, 3268, 3440, 3918, 4085, 4560, 4902, 5160, 5224, 6530, 6536, 7836, 8170, 9795, 9804, 10320, 10448, 12255, 12407, 13060, 13072, 15672, 16340, 19590, 19608, 24510, 24814, 26120, 28079, 31344, 32680, 37221, 39180, 39216, 49020, 49628, 52240, 56158, 62035, 65360, 74442, 78360, 84237, 98040, 99256, 112316, 124070, 140395, 148884, 156720, 168474, 186105, 196080, 198512, 224632, 248140, 280790, 297768, 336948, 372210, 421185, 449264, 496280, 533501, 561580, 595536, 673896, 744420, 842370, 992560, 1067002, 1123160, 1347792, 1488840, 1600503, 1684740, 2134004, 2246320, 2667505, 2977680, 3201006, 3369480, 4268008, 5335010, 6402012, 6738960, 8002515, 8536016, 10670020, 12804024, 16005030, 21340040, 25608048, 32010060, 42680080, 64020120, 128040240]

約数ペア:

[(1, 128040240), (2, 64020120), (3, 42680080), (4, 32010060), (5, 25608048), (6, 21340040), (8, 16005030), (10, 12804024), (12, 10670020), (15, 8536016), (16, 8002515), (19, 6738960), (20, 6402012), (24, 5335010), (30, 4268008), (38, 3369480), (40, 3201006), (43, 2977680), (48, 2667505), (57, 2246320), (60, 2134004), (76, 1684740), (80, 1600503), (86, 1488840), (95, 1347792), (114, 1123160), (120, 1067002), (129, 992560), (152, 842370), (172, 744420), (190, 673896), (215, 595536), (228, 561580), (240, 533501), (258, 496280), (285, 449264), (304, 421185), (344, 372210), (380, 336948), (430, 297768), (456, 280790), (516, 248140), (570, 224632), (645, 198512), (653, 196080), (688, 186105), (760, 168474), (817, 156720), (860, 148884), (912, 140395), (1032, 124070), (1140, 112316), (1290, 99256), (1306, 98040), (1520, 84237), (1634, 78360), (1720, 74442), (1959, 65360), (2064, 62035), (2280, 56158), (2451, 52240), (2580, 49628), (2612, 49020), (3265, 39216), (3268, 39180), (3440, 37221), (3918, 32680), (4085, 31344), (4560, 28079), (4902, 26120), (5160, 24814), (5224, 24510), (6530, 19608), (6536, 19590), (7836, 16340), (8170, 15672), (9795, 13072), (9804, 13060), (10320, 12407), (10448, 12255)]