1280147100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{523}}^1$

素因数の和:780

約数の個数: 144

約数和(自身を含む): 3820588800

約数和(自身を除く): 2540441700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 199, 205, 246, 300, 398, 410, 492, 523, 597, 615, 796, 820, 995, 1025, 1046, 1194, 1230, 1569, 1990, 2050, 2092, 2388, 2460, 2615, 2985, 3075, 3138, 3980, 4100, 4975, 5230, 5970, 6150, 6276, 7845, 8159, 9950, 10460, 11940, 12300, 13075, 14925, 15690, 16318, 19900, 21443, 24477, 26150, 29850, 31380, 32636, 39225, 40795, 42886, 48954, 52300, 59700, 64329, 78450, 81590, 85772, 97908, 104077, 107215, 122385, 128658, 156900, 163180, 203975, 208154, 214430, 244770, 257316, 312231, 321645, 407950, 416308, 428860, 489540, 520385, 536075, 611925, 624462, 643290, 815900, 1040770, 1072150, 1223850, 1248924, 1286580, 1561155, 1608225, 2081540, 2144300, 2447700, 2601925, 3122310, 3216450, 4267157, 5203850, 6244620, 6432900, 7805775, 8534314, 10407700, 12801471, 15611550, 17068628, 21335785, 25602942, 31223100, 42671570, 51205884, 64007355, 85343140, 106678925, 128014710, 213357850, 256029420, 320036775, 426715700, 640073550, 1280147100]

約数ペア:

[(1, 1280147100), (2, 640073550), (3, 426715700), (4, 320036775), (5, 256029420), (6, 213357850), (10, 128014710), (12, 106678925), (15, 85343140), (20, 64007355), (25, 51205884), (30, 42671570), (41, 31223100), (50, 25602942), (60, 21335785), (75, 17068628), (82, 15611550), (100, 12801471), (123, 10407700), (150, 8534314), (164, 7805775), (199, 6432900), (205, 6244620), (246, 5203850), (300, 4267157), (398, 3216450), (410, 3122310), (492, 2601925), (523, 2447700), (597, 2144300), (615, 2081540), (796, 1608225), (820, 1561155), (995, 1286580), (1025, 1248924), (1046, 1223850), (1194, 1072150), (1230, 1040770), (1569, 815900), (1990, 643290), (2050, 624462), (2092, 611925), (2388, 536075), (2460, 520385), (2615, 489540), (2985, 428860), (3075, 416308), (3138, 407950), (3980, 321645), (4100, 312231), (4975, 257316), (5230, 244770), (5970, 214430), (6150, 208154), (6276, 203975), (7845, 163180), (8159, 156900), (9950, 128658), (10460, 122385), (11940, 107215), (12300, 104077), (13075, 97908), (14925, 85772), (15690, 81590), (16318, 78450), (19900, 64329), (21443, 59700), (24477, 52300), (26150, 48954), (29850, 42886), (31380, 40795), (32636, 39225)]