204000120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{797}}^1$

素因数の和:899

約数の個数: 160

約数和(自身を含む): 695217600

約数和(自身を除く): 491217480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 270, 316, 324, 360, 395, 405, 474, 540, 632, 648, 711, 790, 797, 810, 948, 1080, 1185, 1422, 1580, 1594, 1620, 1896, 2133, 2370, 2391, 2844, 3160, 3188, 3240, 3555, 3985, 4266, 4740, 4782, 5688, 6376, 6399, 7110, 7173, 7970, 8532, 9480, 9564, 10665, 11955, 12798, 14220, 14346, 15940, 17064, 19128, 21330, 21519, 23910, 25596, 28440, 28692, 31880, 31995, 35865, 42660, 43038, 47820, 51192, 57384, 62963, 63990, 64557, 71730, 85320, 86076, 95640, 107595, 125926, 127980, 129114, 143460, 172152, 188889, 215190, 251852, 255960, 258228, 286920, 314815, 322785, 377778, 430380, 503704, 516456, 566667, 629630, 645570, 755556, 860760, 944445, 1133334, 1259260, 1291140, 1511112, 1700001, 1888890, 2266668, 2518520, 2582280, 2833335, 3400002, 3777780, 4533336, 5100003, 5666670, 6800004, 7555560, 8500005, 10200006, 11333340, 13600008, 17000010, 20400012, 22666680, 25500015, 34000020, 40800024, 51000030, 68000040, 102000060, 204000120]

約数ペア:

[(1, 204000120), (2, 102000060), (3, 68000040), (4, 51000030), (5, 40800024), (6, 34000020), (8, 25500015), (9, 22666680), (10, 20400012), (12, 17000010), (15, 13600008), (18, 11333340), (20, 10200006), (24, 8500005), (27, 7555560), (30, 6800004), (36, 5666670), (40, 5100003), (45, 4533336), (54, 3777780), (60, 3400002), (72, 2833335), (79, 2582280), (81, 2518520), (90, 2266668), (108, 1888890), (120, 1700001), (135, 1511112), (158, 1291140), (162, 1259260), (180, 1133334), (216, 944445), (237, 860760), (270, 755556), (316, 645570), (324, 629630), (360, 566667), (395, 516456), (405, 503704), (474, 430380), (540, 377778), (632, 322785), (648, 314815), (711, 286920), (790, 258228), (797, 255960), (810, 251852), (948, 215190), (1080, 188889), (1185, 172152), (1422, 143460), (1580, 129114), (1594, 127980), (1620, 125926), (1896, 107595), (2133, 95640), (2370, 86076), (2391, 85320), (2844, 71730), (3160, 64557), (3188, 63990), (3240, 62963), (3555, 57384), (3985, 51192), (4266, 47820), (4740, 43038), (4782, 42660), (5688, 35865), (6376, 31995), (6399, 31880), (7110, 28692), (7173, 28440), (7970, 25596), (8532, 23910), (9480, 21519), (9564, 21330), (10665, 19128), (11955, 17064), (12798, 15940), (14220, 14346)]