208275720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{547}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 662860800

約数和(自身を除く): 454585080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 167, 190, 228, 285, 334, 380, 456, 501, 547, 570, 668, 760, 835, 1002, 1094, 1140, 1336, 1641, 1670, 2004, 2188, 2280, 2505, 2735, 3173, 3282, 3340, 4008, 4376, 5010, 5470, 6346, 6564, 6680, 8205, 9519, 10020, 10393, 10940, 12692, 13128, 15865, 16410, 19038, 20040, 20786, 21880, 25384, 31179, 31730, 32820, 38076, 41572, 47595, 51965, 62358, 63460, 65640, 76152, 83144, 91349, 95190, 103930, 124716, 126920, 155895, 182698, 190380, 207860, 249432, 274047, 311790, 365396, 380760, 415720, 456745, 548094, 623580, 730792, 913490, 1096188, 1247160, 1370235, 1735631, 1826980, 2192376, 2740470, 3471262, 3653960, 5206893, 5480940, 6942524, 8678155, 10413786, 10961880, 13885048, 17356310, 20827572, 26034465, 34712620, 41655144, 52068930, 69425240, 104137860, 208275720]

約数ペア:

[(1, 208275720), (2, 104137860), (3, 69425240), (4, 52068930), (5, 41655144), (6, 34712620), (8, 26034465), (10, 20827572), (12, 17356310), (15, 13885048), (19, 10961880), (20, 10413786), (24, 8678155), (30, 6942524), (38, 5480940), (40, 5206893), (57, 3653960), (60, 3471262), (76, 2740470), (95, 2192376), (114, 1826980), (120, 1735631), (152, 1370235), (167, 1247160), (190, 1096188), (228, 913490), (285, 730792), (334, 623580), (380, 548094), (456, 456745), (501, 415720), (547, 380760), (570, 365396), (668, 311790), (760, 274047), (835, 249432), (1002, 207860), (1094, 190380), (1140, 182698), (1336, 155895), (1641, 126920), (1670, 124716), (2004, 103930), (2188, 95190), (2280, 91349), (2505, 83144), (2735, 76152), (3173, 65640), (3282, 63460), (3340, 62358), (4008, 51965), (4376, 47595), (5010, 41572), (5470, 38076), (6346, 32820), (6564, 31730), (6680, 31179), (8205, 25384), (9519, 21880), (10020, 20786), (10393, 20040), (10940, 19038), (12692, 16410), (13128, 15865)]