172728390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1447}}^1$

素因数の和:1653

約数の個数: 64

約数和(自身を含む): 435373056

約数和(自身を除く): 262644666

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 173, 230, 345, 346, 519, 690, 865, 1038, 1447, 1730, 2595, 2894, 3979, 4341, 5190, 7235, 7958, 8682, 11937, 14470, 19895, 21705, 23874, 33281, 39790, 43410, 59685, 66562, 99843, 119370, 166405, 199686, 250331, 332810, 499215, 500662, 750993, 998430, 1251655, 1501986, 2503310, 3754965, 5757613, 7509930, 11515226, 17272839, 28788065, 34545678, 57576130, 86364195, 172728390]

約数ペア:

[(1, 172728390), (2, 86364195), (3, 57576130), (5, 34545678), (6, 28788065), (10, 17272839), (15, 11515226), (23, 7509930), (30, 5757613), (46, 3754965), (69, 2503310), (115, 1501986), (138, 1251655), (173, 998430), (230, 750993), (345, 500662), (346, 499215), (519, 332810), (690, 250331), (865, 199686), (1038, 166405), (1447, 119370), (1730, 99843), (2595, 66562), (2894, 59685), (3979, 43410), (4341, 39790), (5190, 33281), (7235, 23874), (7958, 21705), (8682, 19895), (11937, 14470)]