67489890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 175900032

約数和(自身を除く): 108410142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 131, 195, 262, 390, 393, 655, 786, 1310, 1321, 1703, 1965, 2642, 3406, 3930, 3963, 5109, 6605, 7926, 8515, 10218, 13210, 17030, 17173, 19815, 25545, 34346, 39630, 51090, 51519, 85865, 103038, 171730, 173051, 257595, 346102, 515190, 519153, 865255, 1038306, 1730510, 2249663, 2595765, 4499326, 5191530, 6748989, 11248315, 13497978, 22496630, 33744945, 67489890]

約数ペア:

[(1, 67489890), (2, 33744945), (3, 22496630), (5, 13497978), (6, 11248315), (10, 6748989), (13, 5191530), (15, 4499326), (26, 2595765), (30, 2249663), (39, 1730510), (65, 1038306), (78, 865255), (130, 519153), (131, 515190), (195, 346102), (262, 257595), (390, 173051), (393, 171730), (655, 103038), (786, 85865), (1310, 51519), (1321, 51090), (1703, 39630), (1965, 34346), (2642, 25545), (3406, 19815), (3930, 17173), (3963, 17030), (5109, 13210), (6605, 10218), (7926, 8515)]