280441440

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{7213}}^1$

素因数の和:7243

約数の個数: 144

約数和(自身を含む): 992588688

約数和(自身を除く): 712147248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7213, 7776, 9720, 12960, 14426, 19440, 21639, 28852, 36065, 38880, 43278, 57704, 64917, 72130, 86556, 108195, 115408, 129834, 144260, 173112, 194751, 216390, 230816, 259668, 288520, 324585, 346224, 389502, 432780, 519336, 577040, 584253, 649170, 692448, 779004, 865560, 973755, 1038672, 1154080, 1168506, 1298340, 1558008, 1731120, 1752759, 1947510, 2077344, 2337012, 2596680, 2921265, 3116016, 3462240, 3505518, 3895020, 4674024, 5193360, 5842530, 6232032, 7011036, 7790040, 8763795, 9348048, 10386720, 11685060, 14022072, 15580080, 17527590, 18696096, 23370120, 28044144, 31160160, 35055180, 46740240, 56088288, 70110360, 93480480, 140220720, 280441440]

約数ペア:

[(1, 280441440), (2, 140220720), (3, 93480480), (4, 70110360), (5, 56088288), (6, 46740240), (8, 35055180), (9, 31160160), (10, 28044144), (12, 23370120), (15, 18696096), (16, 17527590), (18, 15580080), (20, 14022072), (24, 11685060), (27, 10386720), (30, 9348048), (32, 8763795), (36, 7790040), (40, 7011036), (45, 6232032), (48, 5842530), (54, 5193360), (60, 4674024), (72, 3895020), (80, 3505518), (81, 3462240), (90, 3116016), (96, 2921265), (108, 2596680), (120, 2337012), (135, 2077344), (144, 1947510), (160, 1752759), (162, 1731120), (180, 1558008), (216, 1298340), (240, 1168506), (243, 1154080), (270, 1038672), (288, 973755), (324, 865560), (360, 779004), (405, 692448), (432, 649170), (480, 584253), (486, 577040), (540, 519336), (648, 432780), (720, 389502), (810, 346224), (864, 324585), (972, 288520), (1080, 259668), (1215, 230816), (1296, 216390), (1440, 194751), (1620, 173112), (1944, 144260), (2160, 129834), (2430, 115408), (2592, 108195), (3240, 86556), (3888, 72130), (4320, 64917), (4860, 57704), (6480, 43278), (7213, 38880), (7776, 36065), (9720, 28852), (12960, 21639), (14426, 19440)]