128636190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23431}}^1$

素因数の和:23505

約数の個数: 48

約数和(自身を含む): 339951456

約数和(自身を除く): 211315266

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 23431, 46862, 70293, 117155, 140586, 210879, 234310, 351465, 421758, 702930, 1054395, 1429291, 2108790, 2858582, 4287873, 7146455, 8575746, 12863619, 14292910, 21439365, 25727238, 42878730, 64318095, 128636190]

約数ペア:

[(1, 128636190), (2, 64318095), (3, 42878730), (5, 25727238), (6, 21439365), (9, 14292910), (10, 12863619), (15, 8575746), (18, 7146455), (30, 4287873), (45, 2858582), (61, 2108790), (90, 1429291), (122, 1054395), (183, 702930), (305, 421758), (366, 351465), (549, 234310), (610, 210879), (915, 140586), (1098, 117155), (1830, 70293), (2745, 46862), (5490, 23431)]