280721700

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{4951}}^1$

素因数の和:4984

約数の個数: 180

約数和(自身を含む): 1040197312

約数和(自身を除く): 759475612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1575, 1620, 1890, 2025, 2100, 2268, 2700, 2835, 3150, 3780, 4050, 4725, 4951, 5670, 6300, 8100, 9450, 9902, 11340, 14175, 14853, 18900, 19804, 24755, 28350, 29706, 34657, 44559, 49510, 56700, 59412, 69314, 74265, 89118, 99020, 103971, 123775, 133677, 138628, 148530, 173285, 178236, 207942, 222795, 247550, 267354, 297060, 311913, 346570, 371325, 401031, 415884, 445590, 495100, 519855, 534708, 623826, 668385, 693140, 742650, 802062, 866425, 891180, 935739, 1039710, 1113975, 1247652, 1336770, 1485300, 1559565, 1604124, 1732850, 1871478, 2005155, 2079420, 2227950, 2599275, 2673540, 2807217, 3119130, 3341925, 3465700, 3742956, 4010310, 4455900, 4678695, 5198550, 5614434, 6238260, 6683850, 7797825, 8020620, 9357390, 10025775, 10397100, 11228868, 13367700, 14036085, 15595650, 18714780, 20051550, 23393475, 28072170, 31191300, 40103100, 46786950, 56144340, 70180425, 93573900, 140360850, 280721700]

約数ペア:

[(1, 280721700), (2, 140360850), (3, 93573900), (4, 70180425), (5, 56144340), (6, 46786950), (7, 40103100), (9, 31191300), (10, 28072170), (12, 23393475), (14, 20051550), (15, 18714780), (18, 15595650), (20, 14036085), (21, 13367700), (25, 11228868), (27, 10397100), (28, 10025775), (30, 9357390), (35, 8020620), (36, 7797825), (42, 6683850), (45, 6238260), (50, 5614434), (54, 5198550), (60, 4678695), (63, 4455900), (70, 4010310), (75, 3742956), (81, 3465700), (84, 3341925), (90, 3119130), (100, 2807217), (105, 2673540), (108, 2599275), (126, 2227950), (135, 2079420), (140, 2005155), (150, 1871478), (162, 1732850), (175, 1604124), (180, 1559565), (189, 1485300), (210, 1336770), (225, 1247652), (252, 1113975), (270, 1039710), (300, 935739), (315, 891180), (324, 866425), (350, 802062), (378, 742650), (405, 693140), (420, 668385), (450, 623826), (525, 534708), (540, 519855), (567, 495100), (630, 445590), (675, 415884), (700, 401031), (756, 371325), (810, 346570), (900, 311913), (945, 297060), (1050, 267354), (1134, 247550), (1260, 222795), (1350, 207942), (1575, 178236), (1620, 173285), (1890, 148530), (2025, 138628), (2100, 133677), (2268, 123775), (2700, 103971), (2835, 99020), (3150, 89118), (3780, 74265), (4050, 69314), (4725, 59412), (4951, 56700), (5670, 49510), (6300, 44559), (8100, 34657), (9450, 29706), (9902, 28350), (11340, 24755), (14175, 19804), (14853, 18900)]