1291306240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4649}}^1$

素因数の和:4708

約数の個数: 144

約数和(自身を含む): 3649766400

約数和(自身を除く): 2358460160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4649, 4960, 6944, 7936, 8680, 8960, 9298, 9920, 13888, 17360, 18596, 19840, 23245, 27776, 32543, 34720, 37192, 39680, 46490, 55552, 65086, 69440, 74384, 92980, 130172, 138880, 144119, 148768, 162715, 185960, 260344, 277760, 288238, 297536, 325430, 371920, 520688, 576476, 595072, 650860, 720595, 743840, 1008833, 1041376, 1152952, 1190144, 1301720, 1441190, 1487680, 2017666, 2082752, 2305904, 2603440, 2882380, 2975360, 4035332, 4165504, 4611808, 5044165, 5206880, 5764760, 5950720, 8070664, 8331008, 9223616, 10088330, 10413760, 11529520, 16141328, 18447232, 20176660, 20827520, 23059040, 32282656, 36894464, 40353320, 41655040, 46118080, 64565312, 80706640, 92236160, 129130624, 161413280, 184472320, 258261248, 322826560, 645653120, 1291306240]

約数ペア:

[(1, 1291306240), (2, 645653120), (4, 322826560), (5, 258261248), (7, 184472320), (8, 161413280), (10, 129130624), (14, 92236160), (16, 80706640), (20, 64565312), (28, 46118080), (31, 41655040), (32, 40353320), (35, 36894464), (40, 32282656), (56, 23059040), (62, 20827520), (64, 20176660), (70, 18447232), (80, 16141328), (112, 11529520), (124, 10413760), (128, 10088330), (140, 9223616), (155, 8331008), (160, 8070664), (217, 5950720), (224, 5764760), (248, 5206880), (256, 5044165), (280, 4611808), (310, 4165504), (320, 4035332), (434, 2975360), (448, 2882380), (496, 2603440), (560, 2305904), (620, 2082752), (640, 2017666), (868, 1487680), (896, 1441190), (992, 1301720), (1085, 1190144), (1120, 1152952), (1240, 1041376), (1280, 1008833), (1736, 743840), (1792, 720595), (1984, 650860), (2170, 595072), (2240, 576476), (2480, 520688), (3472, 371920), (3968, 325430), (4340, 297536), (4480, 288238), (4649, 277760), (4960, 260344), (6944, 185960), (7936, 162715), (8680, 148768), (8960, 144119), (9298, 138880), (9920, 130172), (13888, 92980), (17360, 74384), (18596, 69440), (19840, 65086), (23245, 55552), (27776, 46490), (32543, 39680), (34720, 37192)]