19650120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 68256000

約数和(自身を除く): 48605880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 157, 168, 210, 280, 298, 314, 420, 447, 471, 596, 628, 745, 785, 840, 894, 942, 1043, 1099, 1192, 1256, 1490, 1570, 1788, 1884, 2086, 2198, 2235, 2355, 2980, 3129, 3140, 3297, 3576, 3768, 4172, 4396, 4470, 4710, 5215, 5495, 5960, 6258, 6280, 6594, 8344, 8792, 8940, 9420, 10430, 10990, 12516, 13188, 15645, 16485, 17880, 18840, 20860, 21980, 23393, 25032, 26376, 31290, 32970, 41720, 43960, 46786, 62580, 65940, 70179, 93572, 116965, 125160, 131880, 140358, 163751, 187144, 233930, 280716, 327502, 350895, 467860, 491253, 561432, 655004, 701790, 818755, 935720, 982506, 1310008, 1403580, 1637510, 1965012, 2456265, 2807160, 3275020, 3930024, 4912530, 6550040, 9825060, 19650120]

約数ペア:

[(1, 19650120), (2, 9825060), (3, 6550040), (4, 4912530), (5, 3930024), (6, 3275020), (7, 2807160), (8, 2456265), (10, 1965012), (12, 1637510), (14, 1403580), (15, 1310008), (20, 982506), (21, 935720), (24, 818755), (28, 701790), (30, 655004), (35, 561432), (40, 491253), (42, 467860), (56, 350895), (60, 327502), (70, 280716), (84, 233930), (105, 187144), (120, 163751), (140, 140358), (149, 131880), (157, 125160), (168, 116965), (210, 93572), (280, 70179), (298, 65940), (314, 62580), (420, 46786), (447, 43960), (471, 41720), (596, 32970), (628, 31290), (745, 26376), (785, 25032), (840, 23393), (894, 21980), (942, 20860), (1043, 18840), (1099, 17880), (1192, 16485), (1256, 15645), (1490, 13188), (1570, 12516), (1788, 10990), (1884, 10430), (2086, 9420), (2198, 8940), (2235, 8792), (2355, 8344), (2980, 6594), (3129, 6280), (3140, 6258), (3297, 5960), (3576, 5495), (3768, 5215), (4172, 4710), (4396, 4470)]