17861220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 44055180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 449, 468, 510, 585, 612, 663, 765, 780, 884, 898, 1020, 1105, 1170, 1326, 1347, 1530, 1796, 1989, 2210, 2245, 2340, 2652, 2694, 3060, 3315, 3978, 4041, 4420, 4490, 5388, 5837, 6630, 6735, 7633, 7956, 8082, 8980, 9945, 11674, 13260, 13470, 15266, 16164, 17511, 19890, 20205, 22899, 23348, 26940, 29185, 30532, 35022, 38165, 39780, 40410, 45798, 52533, 58370, 68697, 70044, 76330, 80820, 87555, 91596, 99229, 105066, 114495, 116740, 137394, 152660, 175110, 198458, 210132, 228990, 262665, 274788, 297687, 343485, 350220, 396916, 457980, 496145, 525330, 595374, 686970, 893061, 992290, 1050660, 1190748, 1373940, 1488435, 1786122, 1984580, 2976870, 3572244, 4465305, 5953740, 8930610, 17861220]

約数ペア:

[(1, 17861220), (2, 8930610), (3, 5953740), (4, 4465305), (5, 3572244), (6, 2976870), (9, 1984580), (10, 1786122), (12, 1488435), (13, 1373940), (15, 1190748), (17, 1050660), (18, 992290), (20, 893061), (26, 686970), (30, 595374), (34, 525330), (36, 496145), (39, 457980), (45, 396916), (51, 350220), (52, 343485), (60, 297687), (65, 274788), (68, 262665), (78, 228990), (85, 210132), (90, 198458), (102, 175110), (117, 152660), (130, 137394), (153, 116740), (156, 114495), (170, 105066), (180, 99229), (195, 91596), (204, 87555), (221, 80820), (234, 76330), (255, 70044), (260, 68697), (306, 58370), (340, 52533), (390, 45798), (442, 40410), (449, 39780), (468, 38165), (510, 35022), (585, 30532), (612, 29185), (663, 26940), (765, 23348), (780, 22899), (884, 20205), (898, 19890), (1020, 17511), (1105, 16164), (1170, 15266), (1326, 13470), (1347, 13260), (1530, 11674), (1796, 9945), (1989, 8980), (2210, 8082), (2245, 7956), (2340, 7633), (2652, 6735), (2694, 6630), (3060, 5837), (3315, 5388), (3978, 4490), (4041, 4420)]