31320450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 98344896

約数和(自身を除く): 67024446

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 61, 63, 70, 75, 90, 105, 122, 126, 150, 163, 175, 183, 210, 225, 305, 315, 326, 350, 366, 427, 450, 489, 525, 549, 610, 630, 815, 854, 915, 978, 1050, 1098, 1141, 1281, 1467, 1525, 1575, 1630, 1830, 2135, 2282, 2445, 2562, 2745, 2934, 3050, 3150, 3423, 3843, 4075, 4270, 4575, 4890, 5490, 5705, 6405, 6846, 7335, 7686, 8150, 9150, 9943, 10269, 10675, 11410, 12225, 12810, 13725, 14670, 17115, 19215, 19886, 20538, 21350, 24450, 27450, 28525, 29829, 32025, 34230, 36675, 38430, 49715, 51345, 57050, 59658, 64050, 69601, 73350, 85575, 89487, 96075, 99430, 102690, 139202, 149145, 171150, 178974, 192150, 208803, 248575, 256725, 298290, 348005, 417606, 447435, 497150, 513450, 626409, 696010, 745725, 894870, 1044015, 1252818, 1491450, 1740025, 2088030, 2237175, 3132045, 3480050, 4474350, 5220075, 6264090, 10440150, 15660225, 31320450]

約数ペア:

[(1, 31320450), (2, 15660225), (3, 10440150), (5, 6264090), (6, 5220075), (7, 4474350), (9, 3480050), (10, 3132045), (14, 2237175), (15, 2088030), (18, 1740025), (21, 1491450), (25, 1252818), (30, 1044015), (35, 894870), (42, 745725), (45, 696010), (50, 626409), (61, 513450), (63, 497150), (70, 447435), (75, 417606), (90, 348005), (105, 298290), (122, 256725), (126, 248575), (150, 208803), (163, 192150), (175, 178974), (183, 171150), (210, 149145), (225, 139202), (305, 102690), (315, 99430), (326, 96075), (350, 89487), (366, 85575), (427, 73350), (450, 69601), (489, 64050), (525, 59658), (549, 57050), (610, 51345), (630, 49715), (815, 38430), (854, 36675), (915, 34230), (978, 32025), (1050, 29829), (1098, 28525), (1141, 27450), (1281, 24450), (1467, 21350), (1525, 20538), (1575, 19886), (1630, 19215), (1830, 17115), (2135, 14670), (2282, 13725), (2445, 12810), (2562, 12225), (2745, 11410), (2934, 10675), (3050, 10269), (3150, 9943), (3423, 9150), (3843, 8150), (4075, 7686), (4270, 7335), (4575, 6846), (4890, 6405), (5490, 5705)]