71841880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 190771200

約数和(自身を除く): 118929320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 229, 230, 248, 253, 310, 341, 440, 458, 460, 506, 620, 682, 713, 916, 920, 1012, 1145, 1240, 1265, 1364, 1426, 1705, 1832, 2024, 2290, 2519, 2530, 2728, 2852, 3410, 3565, 4580, 5038, 5060, 5267, 5704, 6820, 7099, 7130, 7843, 9160, 10076, 10120, 10534, 12595, 13640, 14198, 14260, 15686, 20152, 21068, 25190, 26335, 28396, 28520, 31372, 35495, 39215, 42136, 50380, 52670, 56792, 57937, 62744, 70990, 78089, 78430, 100760, 105340, 115874, 141980, 156178, 156860, 163277, 210680, 231748, 283960, 289685, 312356, 313720, 326554, 390445, 463496, 579370, 624712, 653108, 780890, 816385, 1158740, 1306216, 1561780, 1632770, 1796047, 2317480, 3123560, 3265540, 3592094, 6531080, 7184188, 8980235, 14368376, 17960470, 35920940, 71841880]

約数ペア:

[(1, 71841880), (2, 35920940), (4, 17960470), (5, 14368376), (8, 8980235), (10, 7184188), (11, 6531080), (20, 3592094), (22, 3265540), (23, 3123560), (31, 2317480), (40, 1796047), (44, 1632770), (46, 1561780), (55, 1306216), (62, 1158740), (88, 816385), (92, 780890), (110, 653108), (115, 624712), (124, 579370), (155, 463496), (184, 390445), (220, 326554), (229, 313720), (230, 312356), (248, 289685), (253, 283960), (310, 231748), (341, 210680), (440, 163277), (458, 156860), (460, 156178), (506, 141980), (620, 115874), (682, 105340), (713, 100760), (916, 78430), (920, 78089), (1012, 70990), (1145, 62744), (1240, 57937), (1265, 56792), (1364, 52670), (1426, 50380), (1705, 42136), (1832, 39215), (2024, 35495), (2290, 31372), (2519, 28520), (2530, 28396), (2728, 26335), (2852, 25190), (3410, 21068), (3565, 20152), (4580, 15686), (5038, 14260), (5060, 14198), (5267, 13640), (5704, 12595), (6820, 10534), (7099, 10120), (7130, 10076), (7843, 9160)]