20175750

素因数分解:

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

素因数の和:101

約数の個数: 192

約数和(自身を含む): 66156480

約数和(自身を除く): 45980730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 61, 63, 70, 75, 90, 98, 105, 122, 125, 126, 135, 147, 150, 175, 183, 189, 210, 225, 245, 250, 270, 294, 305, 315, 350, 366, 375, 378, 427, 441, 450, 490, 525, 549, 610, 630, 675, 735, 750, 854, 875, 882, 915, 945, 1050, 1098, 1125, 1225, 1281, 1323, 1350, 1470, 1525, 1575, 1647, 1750, 1830, 1890, 2135, 2205, 2250, 2450, 2562, 2625, 2646, 2745, 2989, 3050, 3150, 3294, 3375, 3675, 3843, 4270, 4410, 4575, 4725, 5250, 5490, 5978, 6125, 6405, 6615, 6750, 7350, 7625, 7686, 7875, 8235, 8967, 9150, 9450, 10675, 11025, 11529, 12250, 12810, 13230, 13725, 14945, 15250, 15750, 16470, 17934, 18375, 19215, 21350, 22050, 22875, 23058, 23625, 26901, 27450, 29890, 32025, 33075, 36750, 38430, 41175, 44835, 45750, 47250, 53375, 53802, 55125, 57645, 64050, 66150, 68625, 74725, 80703, 82350, 89670, 96075, 106750, 110250, 115290, 134505, 137250, 149450, 160125, 161406, 165375, 192150, 205875, 224175, 269010, 288225, 320250, 330750, 373625, 403515, 411750, 448350, 480375, 576450, 672525, 747250, 807030, 960750, 1120875, 1345050, 1441125, 2017575, 2241750, 2882250, 3362625, 4035150, 6725250, 10087875, 20175750]

約数ペア:

[(1, 20175750), (2, 10087875), (3, 6725250), (5, 4035150), (6, 3362625), (7, 2882250), (9, 2241750), (10, 2017575), (14, 1441125), (15, 1345050), (18, 1120875), (21, 960750), (25, 807030), (27, 747250), (30, 672525), (35, 576450), (42, 480375), (45, 448350), (49, 411750), (50, 403515), (54, 373625), (61, 330750), (63, 320250), (70, 288225), (75, 269010), (90, 224175), (98, 205875), (105, 192150), (122, 165375), (125, 161406), (126, 160125), (135, 149450), (147, 137250), (150, 134505), (175, 115290), (183, 110250), (189, 106750), (210, 96075), (225, 89670), (245, 82350), (250, 80703), (270, 74725), (294, 68625), (305, 66150), (315, 64050), (350, 57645), (366, 55125), (375, 53802), (378, 53375), (427, 47250), (441, 45750), (450, 44835), (490, 41175), (525, 38430), (549, 36750), (610, 33075), (630, 32025), (675, 29890), (735, 27450), (750, 26901), (854, 23625), (875, 23058), (882, 22875), (915, 22050), (945, 21350), (1050, 19215), (1098, 18375), (1125, 17934), (1225, 16470), (1281, 15750), (1323, 15250), (1350, 14945), (1470, 13725), (1525, 13230), (1575, 12810), (1647, 12250), (1750, 11529), (1830, 11025), (1890, 10675), (2135, 9450), (2205, 9150), (2250, 8967), (2450, 8235), (2562, 7875), (2625, 7686), (2646, 7625), (2745, 7350), (2989, 6750), (3050, 6615), (3150, 6405), (3294, 6125), (3375, 5978), (3675, 5490), (3843, 5250), (4270, 4725), (4410, 4575)]