18477900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{419}}^1$

素因数の和:453

約数の個数: 162

約数和(自身を含む): 67534740

約数和(自身を除く): 49056840

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 350, 419, 420, 441, 450, 490, 525, 588, 630, 700, 735, 838, 882, 900, 980, 1050, 1225, 1257, 1260, 1470, 1575, 1676, 1764, 2095, 2100, 2205, 2450, 2514, 2933, 2940, 3150, 3675, 3771, 4190, 4410, 4900, 5028, 5866, 6285, 6300, 7350, 7542, 8380, 8799, 8820, 10475, 11025, 11732, 12570, 14665, 14700, 15084, 17598, 18855, 20531, 20950, 22050, 25140, 26397, 29330, 31425, 35196, 37710, 41062, 41900, 43995, 44100, 52794, 58660, 61593, 62850, 73325, 75420, 82124, 87990, 94275, 102655, 105588, 123186, 125700, 131985, 146650, 175980, 184779, 188550, 205310, 219975, 246372, 263970, 293300, 307965, 369558, 377100, 410620, 439950, 513275, 527940, 615930, 659925, 739116, 879900, 923895, 1026550, 1231860, 1319850, 1539825, 1847790, 2053100, 2639700, 3079650, 3695580, 4619475, 6159300, 9238950, 18477900]

約数ペア:

[(1, 18477900), (2, 9238950), (3, 6159300), (4, 4619475), (5, 3695580), (6, 3079650), (7, 2639700), (9, 2053100), (10, 1847790), (12, 1539825), (14, 1319850), (15, 1231860), (18, 1026550), (20, 923895), (21, 879900), (25, 739116), (28, 659925), (30, 615930), (35, 527940), (36, 513275), (42, 439950), (45, 410620), (49, 377100), (50, 369558), (60, 307965), (63, 293300), (70, 263970), (75, 246372), (84, 219975), (90, 205310), (98, 188550), (100, 184779), (105, 175980), (126, 146650), (140, 131985), (147, 125700), (150, 123186), (175, 105588), (180, 102655), (196, 94275), (210, 87990), (225, 82124), (245, 75420), (252, 73325), (294, 62850), (300, 61593), (315, 58660), (350, 52794), (419, 44100), (420, 43995), (441, 41900), (450, 41062), (490, 37710), (525, 35196), (588, 31425), (630, 29330), (700, 26397), (735, 25140), (838, 22050), (882, 20950), (900, 20531), (980, 18855), (1050, 17598), (1225, 15084), (1257, 14700), (1260, 14665), (1470, 12570), (1575, 11732), (1676, 11025), (1764, 10475), (2095, 8820), (2100, 8799), (2205, 8380), (2450, 7542), (2514, 7350), (2933, 6300), (2940, 6285), (3150, 5866), (3675, 5028), (3771, 4900), (4190, 4410)]