781913520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15739}}^1$

素因数の和:15784

約数の個数: 160

約数和(自身を含む): 2810534400

約数和(自身を除く): 2028620880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3312, 4140, 4968, 5520, 6210, 8280, 9936, 12420, 15739, 16560, 24840, 31478, 47217, 49680, 62956, 78695, 94434, 125912, 141651, 157390, 188868, 236085, 251824, 283302, 314780, 361997, 377736, 424953, 472170, 566604, 629560, 708255, 723994, 755472, 849906, 944340, 1085991, 1133208, 1259120, 1416510, 1447988, 1699812, 1809985, 1888680, 2124765, 2171982, 2266416, 2833020, 2895976, 3257973, 3399624, 3619970, 3777360, 4249530, 4343964, 5429955, 5666040, 5791952, 6515946, 6799248, 7239940, 8499060, 8687928, 9773919, 10859910, 11332080, 13031892, 14479880, 16289865, 16998120, 17375856, 19547838, 21719820, 26063784, 28959760, 32579730, 33996240, 39095676, 43439640, 48869595, 52127568, 65159460, 78191352, 86879280, 97739190, 130318920, 156382704, 195478380, 260637840, 390956760, 781913520]

約数ペア:

[(1, 781913520), (2, 390956760), (3, 260637840), (4, 195478380), (5, 156382704), (6, 130318920), (8, 97739190), (9, 86879280), (10, 78191352), (12, 65159460), (15, 52127568), (16, 48869595), (18, 43439640), (20, 39095676), (23, 33996240), (24, 32579730), (27, 28959760), (30, 26063784), (36, 21719820), (40, 19547838), (45, 17375856), (46, 16998120), (48, 16289865), (54, 14479880), (60, 13031892), (69, 11332080), (72, 10859910), (80, 9773919), (90, 8687928), (92, 8499060), (108, 7239940), (115, 6799248), (120, 6515946), (135, 5791952), (138, 5666040), (144, 5429955), (180, 4343964), (184, 4249530), (207, 3777360), (216, 3619970), (230, 3399624), (240, 3257973), (270, 2895976), (276, 2833020), (345, 2266416), (360, 2171982), (368, 2124765), (414, 1888680), (432, 1809985), (460, 1699812), (540, 1447988), (552, 1416510), (621, 1259120), (690, 1133208), (720, 1085991), (828, 944340), (920, 849906), (1035, 755472), (1080, 723994), (1104, 708255), (1242, 629560), (1380, 566604), (1656, 472170), (1840, 424953), (2070, 377736), (2160, 361997), (2484, 314780), (2760, 283302), (3105, 251824), (3312, 236085), (4140, 188868), (4968, 157390), (5520, 141651), (6210, 125912), (8280, 94434), (9936, 78695), (12420, 62956), (15739, 49680), (16560, 47217), (24840, 31478)]