28027800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 144

約数和(自身を含む): 98364240

約数和(自身を除く): 70336440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 30, 36, 40, 45, 46, 50, 60, 69, 72, 75, 90, 92, 100, 115, 120, 138, 150, 180, 184, 200, 207, 225, 230, 276, 300, 345, 360, 414, 450, 460, 552, 575, 600, 677, 690, 828, 900, 920, 1035, 1150, 1354, 1380, 1656, 1725, 1800, 2031, 2070, 2300, 2708, 2760, 3385, 3450, 4062, 4140, 4600, 5175, 5416, 6093, 6770, 6900, 8124, 8280, 10155, 10350, 12186, 13540, 13800, 15571, 16248, 16925, 20310, 20700, 24372, 27080, 30465, 31142, 33850, 40620, 41400, 46713, 48744, 50775, 60930, 62284, 67700, 77855, 81240, 93426, 101550, 121860, 124568, 135400, 140139, 152325, 155710, 186852, 203100, 233565, 243720, 280278, 304650, 311420, 373704, 389275, 406200, 467130, 560556, 609300, 622840, 700695, 778550, 934260, 1121112, 1167825, 1218600, 1401390, 1557100, 1868520, 2335650, 2802780, 3114200, 3503475, 4671300, 5605560, 7006950, 9342600, 14013900, 28027800]

約数ペア:

[(1, 28027800), (2, 14013900), (3, 9342600), (4, 7006950), (5, 5605560), (6, 4671300), (8, 3503475), (9, 3114200), (10, 2802780), (12, 2335650), (15, 1868520), (18, 1557100), (20, 1401390), (23, 1218600), (24, 1167825), (25, 1121112), (30, 934260), (36, 778550), (40, 700695), (45, 622840), (46, 609300), (50, 560556), (60, 467130), (69, 406200), (72, 389275), (75, 373704), (90, 311420), (92, 304650), (100, 280278), (115, 243720), (120, 233565), (138, 203100), (150, 186852), (180, 155710), (184, 152325), (200, 140139), (207, 135400), (225, 124568), (230, 121860), (276, 101550), (300, 93426), (345, 81240), (360, 77855), (414, 67700), (450, 62284), (460, 60930), (552, 50775), (575, 48744), (600, 46713), (677, 41400), (690, 40620), (828, 33850), (900, 31142), (920, 30465), (1035, 27080), (1150, 24372), (1354, 20700), (1380, 20310), (1656, 16925), (1725, 16248), (1800, 15571), (2031, 13800), (2070, 13540), (2300, 12186), (2708, 10350), (2760, 10155), (3385, 8280), (3450, 8124), (4062, 6900), (4140, 6770), (4600, 6093), (5175, 5416)]