638301960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{93319}}^1$

素因数の和:93355

約数の個数: 96

約数和(自身を含む): 2183688000

約数和(自身を除く): 1545386040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 93319, 186638, 279957, 373276, 466595, 559914, 746552, 839871, 933190, 1119828, 1399785, 1679742, 1773061, 1866380, 2239656, 2799570, 3359484, 3546122, 3732760, 4199355, 5319183, 5599140, 6718968, 7092244, 8398710, 8865305, 10638366, 11198280, 14184488, 15957549, 16797420, 17730610, 21276732, 26595915, 31915098, 33594840, 35461220, 42553464, 53191830, 63830196, 70922440, 79787745, 106383660, 127660392, 159575490, 212767320, 319150980, 638301960]

約数ペア:

[(1, 638301960), (2, 319150980), (3, 212767320), (4, 159575490), (5, 127660392), (6, 106383660), (8, 79787745), (9, 70922440), (10, 63830196), (12, 53191830), (15, 42553464), (18, 35461220), (19, 33594840), (20, 31915098), (24, 26595915), (30, 21276732), (36, 17730610), (38, 16797420), (40, 15957549), (45, 14184488), (57, 11198280), (60, 10638366), (72, 8865305), (76, 8398710), (90, 7092244), (95, 6718968), (114, 5599140), (120, 5319183), (152, 4199355), (171, 3732760), (180, 3546122), (190, 3359484), (228, 2799570), (285, 2239656), (342, 1866380), (360, 1773061), (380, 1679742), (456, 1399785), (570, 1119828), (684, 933190), (760, 839871), (855, 746552), (1140, 559914), (1368, 466595), (1710, 373276), (2280, 279957), (3420, 186638), (6840, 93319)]