123321900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 389252864

約数和(自身を除く): 265930964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 103, 130, 150, 156, 195, 206, 260, 300, 307, 309, 325, 390, 412, 515, 614, 618, 650, 780, 921, 975, 1030, 1228, 1236, 1300, 1339, 1535, 1545, 1842, 1950, 2060, 2575, 2678, 3070, 3090, 3684, 3900, 3991, 4017, 4605, 5150, 5356, 6140, 6180, 6695, 7675, 7725, 7982, 8034, 9210, 10300, 11973, 13390, 15350, 15450, 15964, 16068, 18420, 19955, 20085, 23025, 23946, 26780, 30700, 30900, 31621, 33475, 39910, 40170, 46050, 47892, 59865, 63242, 66950, 79820, 80340, 92100, 94863, 99775, 100425, 119730, 126484, 133900, 158105, 189726, 199550, 200850, 239460, 299325, 316210, 379452, 399100, 401700, 411073, 474315, 598650, 632420, 790525, 822146, 948630, 1197300, 1233219, 1581050, 1644292, 1897260, 2055365, 2371575, 2466438, 3162100, 4110730, 4743150, 4932876, 6166095, 8221460, 9486300, 10276825, 12332190, 20553650, 24664380, 30830475, 41107300, 61660950, 123321900]

約数ペア:

[(1, 123321900), (2, 61660950), (3, 41107300), (4, 30830475), (5, 24664380), (6, 20553650), (10, 12332190), (12, 10276825), (13, 9486300), (15, 8221460), (20, 6166095), (25, 4932876), (26, 4743150), (30, 4110730), (39, 3162100), (50, 2466438), (52, 2371575), (60, 2055365), (65, 1897260), (75, 1644292), (78, 1581050), (100, 1233219), (103, 1197300), (130, 948630), (150, 822146), (156, 790525), (195, 632420), (206, 598650), (260, 474315), (300, 411073), (307, 401700), (309, 399100), (325, 379452), (390, 316210), (412, 299325), (515, 239460), (614, 200850), (618, 199550), (650, 189726), (780, 158105), (921, 133900), (975, 126484), (1030, 119730), (1228, 100425), (1236, 99775), (1300, 94863), (1339, 92100), (1535, 80340), (1545, 79820), (1842, 66950), (1950, 63242), (2060, 59865), (2575, 47892), (2678, 46050), (3070, 40170), (3090, 39910), (3684, 33475), (3900, 31621), (3991, 30900), (4017, 30700), (4605, 26780), (5150, 23946), (5356, 23025), (6140, 20085), (6180, 19955), (6695, 18420), (7675, 16068), (7725, 15964), (7982, 15450), (8034, 15350), (9210, 13390), (10300, 11973)]