138480240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25087}}^1$

素因数の和:25126

約数の個数: 80

約数和(自身を含む): 447971328

約数和(自身を除く): 309491088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 25087, 50174, 75261, 100348, 125435, 150522, 200696, 250870, 301044, 376305, 401392, 501740, 577001, 602088, 752610, 1003480, 1154002, 1204176, 1505220, 1731003, 2006960, 2308004, 2885005, 3010440, 3462006, 4616008, 5770010, 6020880, 6924012, 8655015, 9232016, 11540020, 13848024, 17310030, 23080040, 27696048, 34620060, 46160080, 69240120, 138480240]

約数ペア:

[(1, 138480240), (2, 69240120), (3, 46160080), (4, 34620060), (5, 27696048), (6, 23080040), (8, 17310030), (10, 13848024), (12, 11540020), (15, 9232016), (16, 8655015), (20, 6924012), (23, 6020880), (24, 5770010), (30, 4616008), (40, 3462006), (46, 3010440), (48, 2885005), (60, 2308004), (69, 2006960), (80, 1731003), (92, 1505220), (115, 1204176), (120, 1154002), (138, 1003480), (184, 752610), (230, 602088), (240, 577001), (276, 501740), (345, 401392), (368, 376305), (460, 301044), (552, 250870), (690, 200696), (920, 150522), (1104, 125435), (1380, 100348), (1840, 75261), (2760, 50174), (5520, 25087)]