31089480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 97977600

約数和(自身を除く): 66888120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 71, 82, 89, 120, 123, 142, 164, 178, 205, 213, 246, 267, 284, 328, 355, 356, 410, 426, 445, 492, 534, 568, 615, 710, 712, 820, 852, 890, 984, 1065, 1068, 1230, 1335, 1420, 1640, 1704, 1780, 2130, 2136, 2460, 2670, 2840, 2911, 3560, 3649, 4260, 4920, 5340, 5822, 6319, 7298, 8520, 8733, 10680, 10947, 11644, 12638, 14555, 14596, 17466, 18245, 18957, 21894, 23288, 25276, 29110, 29192, 31595, 34932, 36490, 37914, 43665, 43788, 50552, 54735, 58220, 63190, 69864, 72980, 75828, 87330, 87576, 94785, 109470, 116440, 126380, 145960, 151656, 174660, 189570, 218940, 252760, 259079, 349320, 379140, 437880, 518158, 758280, 777237, 1036316, 1295395, 1554474, 2072632, 2590790, 3108948, 3886185, 5181580, 6217896, 7772370, 10363160, 15544740, 31089480]

約数ペア:

[(1, 31089480), (2, 15544740), (3, 10363160), (4, 7772370), (5, 6217896), (6, 5181580), (8, 3886185), (10, 3108948), (12, 2590790), (15, 2072632), (20, 1554474), (24, 1295395), (30, 1036316), (40, 777237), (41, 758280), (60, 518158), (71, 437880), (82, 379140), (89, 349320), (120, 259079), (123, 252760), (142, 218940), (164, 189570), (178, 174660), (205, 151656), (213, 145960), (246, 126380), (267, 116440), (284, 109470), (328, 94785), (355, 87576), (356, 87330), (410, 75828), (426, 72980), (445, 69864), (492, 63190), (534, 58220), (568, 54735), (615, 50552), (710, 43788), (712, 43665), (820, 37914), (852, 36490), (890, 34932), (984, 31595), (1065, 29192), (1068, 29110), (1230, 25276), (1335, 23288), (1420, 21894), (1640, 18957), (1704, 18245), (1780, 17466), (2130, 14596), (2136, 14555), (2460, 12638), (2670, 11644), (2840, 10947), (2911, 10680), (3560, 8733), (3649, 8520), (4260, 7298), (4920, 6319), (5340, 5822)]