311385863680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{20543}}^1$

素因数の和:20788

約数の個数: 160

約数和(自身を含む): 774752698368

約数和(自身を除く): 463366834688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 191, 248, 256, 310, 320, 382, 496, 512, 620, 640, 764, 955, 992, 1240, 1280, 1528, 1910, 1984, 2480, 2560, 3056, 3820, 3968, 4960, 5921, 6112, 7640, 7936, 9920, 11842, 12224, 15280, 15872, 19840, 20543, 23684, 24448, 29605, 30560, 39680, 41086, 47368, 48896, 59210, 61120, 79360, 82172, 94736, 97792, 102715, 118420, 122240, 164344, 189472, 205430, 236840, 244480, 328688, 378944, 410860, 473680, 488960, 636833, 657376, 757888, 821720, 947360, 1273666, 1314752, 1515776, 1643440, 1894720, 2547332, 2629504, 3031552, 3184165, 3286880, 3789440, 3923713, 5094664, 5259008, 6368330, 6573760, 7578880, 7847426, 10189328, 10518016, 12736660, 13147520, 15157760, 15694852, 19618565, 20378656, 25473320, 26295040, 31389704, 39237130, 40757312, 50946640, 52590080, 62779408, 78474260, 81514624, 101893280, 121635103, 125558816, 156948520, 163029248, 203786560, 243270206, 251117632, 313897040, 326058496, 407573120, 486540412, 502235264, 608175515, 627794080, 815146240, 973080824, 1004470528, 1216351030, 1255588160, 1630292480, 1946161648, 2008941056, 2432702060, 2511176320, 3892323296, 4865404120, 5022352640, 7784646592, 9730808240, 10044705280, 15569293184, 19461616480, 31138586368, 38923232960, 62277172736, 77846465920, 155692931840, 311385863680]

約数ペア:

[(1, 311385863680), (2, 155692931840), (4, 77846465920), (5, 62277172736), (8, 38923232960), (10, 31138586368), (16, 19461616480), (20, 15569293184), (31, 10044705280), (32, 9730808240), (40, 7784646592), (62, 5022352640), (64, 4865404120), (80, 3892323296), (124, 2511176320), (128, 2432702060), (155, 2008941056), (160, 1946161648), (191, 1630292480), (248, 1255588160), (256, 1216351030), (310, 1004470528), (320, 973080824), (382, 815146240), (496, 627794080), (512, 608175515), (620, 502235264), (640, 486540412), (764, 407573120), (955, 326058496), (992, 313897040), (1240, 251117632), (1280, 243270206), (1528, 203786560), (1910, 163029248), (1984, 156948520), (2480, 125558816), (2560, 121635103), (3056, 101893280), (3820, 81514624), (3968, 78474260), (4960, 62779408), (5921, 52590080), (6112, 50946640), (7640, 40757312), (7936, 39237130), (9920, 31389704), (11842, 26295040), (12224, 25473320), (15280, 20378656), (15872, 19618565), (19840, 15694852), (20543, 15157760), (23684, 13147520), (24448, 12736660), (29605, 10518016), (30560, 10189328), (39680, 7847426), (41086, 7578880), (47368, 6573760), (48896, 6368330), (59210, 5259008), (61120, 5094664), (79360, 3923713), (82172, 3789440), (94736, 3286880), (97792, 3184165), (102715, 3031552), (118420, 2629504), (122240, 2547332), (164344, 1894720), (189472, 1643440), (205430, 1515776), (236840, 1314752), (244480, 1273666), (328688, 947360), (378944, 821720), (410860, 757888), (473680, 657376), (488960, 636833)]