178873380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:703

約数の個数: 192

約数和(自身を含む): 645120000

約数和(自身を除く): 466246620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 79, 84, 90, 105, 108, 126, 135, 140, 158, 180, 189, 210, 237, 252, 270, 315, 316, 378, 395, 420, 474, 540, 553, 599, 630, 711, 756, 790, 945, 948, 1106, 1185, 1198, 1260, 1422, 1580, 1659, 1797, 1890, 2133, 2212, 2370, 2396, 2765, 2844, 2995, 3318, 3555, 3594, 3780, 4193, 4266, 4740, 4977, 5391, 5530, 5990, 6636, 7110, 7188, 8295, 8386, 8532, 8985, 9954, 10665, 10782, 11060, 11980, 12579, 14220, 14931, 16173, 16590, 16772, 17970, 19908, 20965, 21330, 21564, 24885, 25158, 26955, 29862, 32346, 33180, 35940, 37737, 41930, 42660, 47321, 49770, 50316, 53910, 59724, 62895, 64692, 74655, 75474, 80865, 83860, 94642, 99540, 107820, 113211, 125790, 141963, 149310, 150948, 161730, 188685, 189284, 226422, 236605, 251580, 283926, 298620, 323460, 331247, 377370, 425889, 452844, 473210, 566055, 567852, 662494, 709815, 754740, 851778, 946420, 993741, 1132110, 1277667, 1324988, 1419630, 1656235, 1703556, 1987482, 2129445, 2264220, 2555334, 2839260, 2981223, 3312470, 3974964, 4258890, 4968705, 5110668, 5962446, 6388335, 6624940, 8517780, 8943669, 9937410, 11924892, 12776670, 14906115, 17887338, 19874820, 25553340, 29812230, 35774676, 44718345, 59624460, 89436690, 178873380]

約数ペア:

[(1, 178873380), (2, 89436690), (3, 59624460), (4, 44718345), (5, 35774676), (6, 29812230), (7, 25553340), (9, 19874820), (10, 17887338), (12, 14906115), (14, 12776670), (15, 11924892), (18, 9937410), (20, 8943669), (21, 8517780), (27, 6624940), (28, 6388335), (30, 5962446), (35, 5110668), (36, 4968705), (42, 4258890), (45, 3974964), (54, 3312470), (60, 2981223), (63, 2839260), (70, 2555334), (79, 2264220), (84, 2129445), (90, 1987482), (105, 1703556), (108, 1656235), (126, 1419630), (135, 1324988), (140, 1277667), (158, 1132110), (180, 993741), (189, 946420), (210, 851778), (237, 754740), (252, 709815), (270, 662494), (315, 567852), (316, 566055), (378, 473210), (395, 452844), (420, 425889), (474, 377370), (540, 331247), (553, 323460), (599, 298620), (630, 283926), (711, 251580), (756, 236605), (790, 226422), (945, 189284), (948, 188685), (1106, 161730), (1185, 150948), (1198, 149310), (1260, 141963), (1422, 125790), (1580, 113211), (1659, 107820), (1797, 99540), (1890, 94642), (2133, 83860), (2212, 80865), (2370, 75474), (2396, 74655), (2765, 64692), (2844, 62895), (2995, 59724), (3318, 53910), (3555, 50316), (3594, 49770), (3780, 47321), (4193, 42660), (4266, 41930), (4740, 37737), (4977, 35940), (5391, 33180), (5530, 32346), (5990, 29862), (6636, 26955), (7110, 25158), (7188, 24885), (8295, 21564), (8386, 21330), (8532, 20965), (8985, 19908), (9954, 17970), (10665, 16772), (10782, 16590), (11060, 16173), (11980, 14931), (12579, 14220)]