128752560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 467621856

約数和(自身を除く): 338869296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 67, 68, 72, 80, 85, 90, 102, 120, 134, 136, 144, 153, 157, 170, 180, 201, 204, 240, 255, 268, 272, 306, 314, 335, 340, 360, 402, 408, 471, 510, 536, 603, 612, 628, 670, 680, 720, 765, 785, 804, 816, 942, 1005, 1020, 1072, 1139, 1206, 1224, 1256, 1340, 1360, 1413, 1530, 1570, 1608, 1884, 2010, 2040, 2278, 2355, 2412, 2448, 2512, 2669, 2680, 2826, 3015, 3060, 3140, 3216, 3417, 3768, 4020, 4080, 4556, 4710, 4824, 5338, 5360, 5652, 5695, 6030, 6120, 6280, 6834, 7065, 7536, 8007, 8040, 9112, 9420, 9648, 10251, 10519, 10676, 11304, 11390, 12060, 12240, 12560, 13345, 13668, 14130, 16014, 16080, 17085, 18224, 18840, 20502, 21038, 21352, 22608, 22780, 24021, 24120, 26690, 27336, 28260, 31557, 32028, 34170, 37680, 40035, 41004, 42076, 42704, 45560, 48042, 48240, 51255, 52595, 53380, 54672, 56520, 63114, 64056, 68340, 80070, 82008, 84152, 91120, 94671, 96084, 102510, 105190, 106760, 113040, 120105, 126228, 128112, 136680, 157785, 160140, 164016, 168304, 178823, 189342, 192168, 205020, 210380, 213520, 240210, 252456, 273360, 315570, 320280, 357646, 378684, 384336, 410040, 420760, 473355, 480420, 504912, 536469, 631140, 640560, 715292, 757368, 820080, 841520, 894115, 946710, 960840, 1072938, 1262280, 1430584, 1514736, 1609407, 1788230, 1893420, 1921680, 2145876, 2524560, 2682345, 2861168, 3218814, 3576460, 3786840, 4291752, 5364690, 6437628, 7152920, 7573680, 8047035, 8583504, 10729380, 12875256, 14305840, 16094070, 21458760, 25750512, 32188140, 42917520, 64376280, 128752560]

約数ペア:

[(1, 128752560), (2, 64376280), (3, 42917520), (4, 32188140), (5, 25750512), (6, 21458760), (8, 16094070), (9, 14305840), (10, 12875256), (12, 10729380), (15, 8583504), (16, 8047035), (17, 7573680), (18, 7152920), (20, 6437628), (24, 5364690), (30, 4291752), (34, 3786840), (36, 3576460), (40, 3218814), (45, 2861168), (48, 2682345), (51, 2524560), (60, 2145876), (67, 1921680), (68, 1893420), (72, 1788230), (80, 1609407), (85, 1514736), (90, 1430584), (102, 1262280), (120, 1072938), (134, 960840), (136, 946710), (144, 894115), (153, 841520), (157, 820080), (170, 757368), (180, 715292), (201, 640560), (204, 631140), (240, 536469), (255, 504912), (268, 480420), (272, 473355), (306, 420760), (314, 410040), (335, 384336), (340, 378684), (360, 357646), (402, 320280), (408, 315570), (471, 273360), (510, 252456), (536, 240210), (603, 213520), (612, 210380), (628, 205020), (670, 192168), (680, 189342), (720, 178823), (765, 168304), (785, 164016), (804, 160140), (816, 157785), (942, 136680), (1005, 128112), (1020, 126228), (1072, 120105), (1139, 113040), (1206, 106760), (1224, 105190), (1256, 102510), (1340, 96084), (1360, 94671), (1413, 91120), (1530, 84152), (1570, 82008), (1608, 80070), (1884, 68340), (2010, 64056), (2040, 63114), (2278, 56520), (2355, 54672), (2412, 53380), (2448, 52595), (2512, 51255), (2669, 48240), (2680, 48042), (2826, 45560), (3015, 42704), (3060, 42076), (3140, 41004), (3216, 40035), (3417, 37680), (3768, 34170), (4020, 32028), (4080, 31557), (4556, 28260), (4710, 27336), (4824, 26690), (5338, 24120), (5360, 24021), (5652, 22780), (5695, 22608), (6030, 21352), (6120, 21038), (6280, 20502), (6834, 18840), (7065, 18224), (7536, 17085), (8007, 16080), (8040, 16014), (9112, 14130), (9420, 13668), (9648, 13345), (10251, 12560), (10519, 12240), (10676, 12060), (11304, 11390)]