128377800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1072

約数の個数: 144

約数和(自身を含む): 437488740

約数和(自身を除く): 309110940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 73, 75, 90, 100, 120, 146, 150, 180, 200, 219, 225, 292, 300, 360, 365, 438, 450, 584, 600, 657, 730, 876, 900, 977, 1095, 1314, 1460, 1752, 1800, 1825, 1954, 2190, 2628, 2920, 2931, 3285, 3650, 3908, 4380, 4885, 5256, 5475, 5862, 6570, 7300, 7816, 8760, 8793, 9770, 10950, 11724, 13140, 14600, 14655, 16425, 17586, 19540, 21900, 23448, 24425, 26280, 29310, 32850, 35172, 39080, 43800, 43965, 48850, 58620, 65700, 70344, 71321, 73275, 87930, 97700, 117240, 131400, 142642, 146550, 175860, 195400, 213963, 219825, 285284, 293100, 351720, 356605, 427926, 439650, 570568, 586200, 641889, 713210, 855852, 879300, 1069815, 1283778, 1426420, 1711704, 1758600, 1783025, 2139630, 2567556, 2852840, 3209445, 3566050, 4279260, 5135112, 5349075, 6418890, 7132100, 8558520, 10698150, 12837780, 14264200, 16047225, 21396300, 25675560, 32094450, 42792600, 64188900, 128377800]

約数ペア:

[(1, 128377800), (2, 64188900), (3, 42792600), (4, 32094450), (5, 25675560), (6, 21396300), (8, 16047225), (9, 14264200), (10, 12837780), (12, 10698150), (15, 8558520), (18, 7132100), (20, 6418890), (24, 5349075), (25, 5135112), (30, 4279260), (36, 3566050), (40, 3209445), (45, 2852840), (50, 2567556), (60, 2139630), (72, 1783025), (73, 1758600), (75, 1711704), (90, 1426420), (100, 1283778), (120, 1069815), (146, 879300), (150, 855852), (180, 713210), (200, 641889), (219, 586200), (225, 570568), (292, 439650), (300, 427926), (360, 356605), (365, 351720), (438, 293100), (450, 285284), (584, 219825), (600, 213963), (657, 195400), (730, 175860), (876, 146550), (900, 142642), (977, 131400), (1095, 117240), (1314, 97700), (1460, 87930), (1752, 73275), (1800, 71321), (1825, 70344), (1954, 65700), (2190, 58620), (2628, 48850), (2920, 43965), (2931, 43800), (3285, 39080), (3650, 35172), (3908, 32850), (4380, 29310), (4885, 26280), (5256, 24425), (5475, 23448), (5862, 21900), (6570, 19540), (7300, 17586), (7816, 16425), (8760, 14655), (8793, 14600), (9770, 13140), (10950, 11724)]