19671600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 180

約数和(自身を含む): 68938296

約数和(自身を除く): 49266696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 97, 100, 104, 120, 130, 150, 156, 169, 194, 195, 200, 208, 240, 260, 291, 300, 312, 325, 338, 388, 390, 400, 485, 507, 520, 582, 600, 624, 650, 676, 776, 780, 845, 970, 975, 1014, 1040, 1164, 1200, 1261, 1300, 1352, 1455, 1552, 1560, 1690, 1940, 1950, 2028, 2328, 2425, 2522, 2535, 2600, 2704, 2910, 3120, 3380, 3783, 3880, 3900, 4056, 4225, 4656, 4850, 5044, 5070, 5200, 5820, 6305, 6760, 7275, 7566, 7760, 7800, 8112, 8450, 9700, 10088, 10140, 11640, 12610, 12675, 13520, 14550, 15132, 15600, 16393, 16900, 18915, 19400, 20176, 20280, 23280, 25220, 25350, 29100, 30264, 31525, 32786, 33800, 37830, 38800, 40560, 49179, 50440, 50700, 58200, 60528, 63050, 65572, 67600, 75660, 81965, 94575, 98358, 100880, 101400, 116400, 126100, 131144, 151320, 163930, 189150, 196716, 202800, 245895, 252200, 262288, 302640, 327860, 378300, 393432, 409825, 491790, 504400, 655720, 756600, 786864, 819650, 983580, 1229475, 1311440, 1513200, 1639300, 1967160, 2458950, 3278600, 3934320, 4917900, 6557200, 9835800, 19671600]

約数ペア:

[(1, 19671600), (2, 9835800), (3, 6557200), (4, 4917900), (5, 3934320), (6, 3278600), (8, 2458950), (10, 1967160), (12, 1639300), (13, 1513200), (15, 1311440), (16, 1229475), (20, 983580), (24, 819650), (25, 786864), (26, 756600), (30, 655720), (39, 504400), (40, 491790), (48, 409825), (50, 393432), (52, 378300), (60, 327860), (65, 302640), (75, 262288), (78, 252200), (80, 245895), (97, 202800), (100, 196716), (104, 189150), (120, 163930), (130, 151320), (150, 131144), (156, 126100), (169, 116400), (194, 101400), (195, 100880), (200, 98358), (208, 94575), (240, 81965), (260, 75660), (291, 67600), (300, 65572), (312, 63050), (325, 60528), (338, 58200), (388, 50700), (390, 50440), (400, 49179), (485, 40560), (507, 38800), (520, 37830), (582, 33800), (600, 32786), (624, 31525), (650, 30264), (676, 29100), (776, 25350), (780, 25220), (845, 23280), (970, 20280), (975, 20176), (1014, 19400), (1040, 18915), (1164, 16900), (1200, 16393), (1261, 15600), (1300, 15132), (1352, 14550), (1455, 13520), (1552, 12675), (1560, 12610), (1690, 11640), (1940, 10140), (1950, 10088), (2028, 9700), (2328, 8450), (2425, 8112), (2522, 7800), (2535, 7760), (2600, 7566), (2704, 7275), (2910, 6760), (3120, 6305), (3380, 5820), (3783, 5200), (3880, 5070), (3900, 5044), (4056, 4850), (4225, 4656)]