19785960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 70508880

約数和(自身を除く): 50722920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 53, 60, 61, 68, 72, 85, 90, 102, 106, 120, 122, 136, 153, 159, 170, 180, 183, 204, 212, 244, 255, 265, 305, 306, 318, 340, 360, 366, 408, 424, 477, 488, 510, 530, 549, 610, 612, 636, 680, 732, 765, 795, 901, 915, 954, 1020, 1037, 1060, 1098, 1220, 1224, 1272, 1464, 1530, 1590, 1802, 1830, 1908, 2040, 2074, 2120, 2196, 2385, 2440, 2703, 2745, 3060, 3111, 3180, 3233, 3604, 3660, 3816, 4148, 4392, 4505, 4770, 5185, 5406, 5490, 6120, 6222, 6360, 6466, 7208, 7320, 8109, 8296, 9010, 9333, 9540, 9699, 10370, 10812, 10980, 12444, 12932, 13515, 15555, 16165, 16218, 18020, 18666, 19080, 19398, 20740, 21624, 21960, 24888, 25864, 27030, 29097, 31110, 32330, 32436, 36040, 37332, 38796, 40545, 41480, 46665, 48495, 54060, 54961, 58194, 62220, 64660, 64872, 74664, 77592, 81090, 93330, 96990, 108120, 109922, 116388, 124440, 129320, 145485, 162180, 164883, 186660, 193980, 219844, 232776, 274805, 290970, 324360, 329766, 373320, 387960, 439688, 494649, 549610, 581940, 659532, 824415, 989298, 1099220, 1163880, 1319064, 1648830, 1978596, 2198440, 2473245, 3297660, 3957192, 4946490, 6595320, 9892980, 19785960]

約数ペア:

[(1, 19785960), (2, 9892980), (3, 6595320), (4, 4946490), (5, 3957192), (6, 3297660), (8, 2473245), (9, 2198440), (10, 1978596), (12, 1648830), (15, 1319064), (17, 1163880), (18, 1099220), (20, 989298), (24, 824415), (30, 659532), (34, 581940), (36, 549610), (40, 494649), (45, 439688), (51, 387960), (53, 373320), (60, 329766), (61, 324360), (68, 290970), (72, 274805), (85, 232776), (90, 219844), (102, 193980), (106, 186660), (120, 164883), (122, 162180), (136, 145485), (153, 129320), (159, 124440), (170, 116388), (180, 109922), (183, 108120), (204, 96990), (212, 93330), (244, 81090), (255, 77592), (265, 74664), (305, 64872), (306, 64660), (318, 62220), (340, 58194), (360, 54961), (366, 54060), (408, 48495), (424, 46665), (477, 41480), (488, 40545), (510, 38796), (530, 37332), (549, 36040), (610, 32436), (612, 32330), (636, 31110), (680, 29097), (732, 27030), (765, 25864), (795, 24888), (901, 21960), (915, 21624), (954, 20740), (1020, 19398), (1037, 19080), (1060, 18666), (1098, 18020), (1220, 16218), (1224, 16165), (1272, 15555), (1464, 13515), (1530, 12932), (1590, 12444), (1802, 10980), (1830, 10812), (1908, 10370), (2040, 9699), (2074, 9540), (2120, 9333), (2196, 9010), (2385, 8296), (2440, 8109), (2703, 7320), (2745, 7208), (3060, 6466), (3111, 6360), (3180, 6222), (3233, 6120), (3604, 5490), (3660, 5406), (3816, 5185), (4148, 4770), (4392, 4505)]