991482240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{73771}}^1$

素因数の和:73800

約数の個数: 128

約数和(自身を含む): 3611877120

約数和(自身を除く): 2620394880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 73771, 147542, 221313, 295084, 368855, 442626, 516397, 590168, 737710, 885252, 1032794, 1106565, 1180336, 1475420, 1549191, 1770504, 2065588, 2213130, 2360672, 2581985, 2950840, 3098382, 3541008, 4131176, 4426260, 4721344, 5163970, 5901680, 6196764, 7082016, 7745955, 8262352, 8852520, 9442688, 10327940, 11803360, 12393528, 14164032, 15491910, 16524704, 17705040, 20655880, 23606720, 24787056, 28328064, 30983820, 33049408, 35410080, 41311760, 47213440, 49574112, 61967640, 66098816, 70820160, 82623520, 99148224, 123935280, 141640320, 165247040, 198296448, 247870560, 330494080, 495741120, 991482240]

約数ペア:

[(1, 991482240), (2, 495741120), (3, 330494080), (4, 247870560), (5, 198296448), (6, 165247040), (7, 141640320), (8, 123935280), (10, 99148224), (12, 82623520), (14, 70820160), (15, 66098816), (16, 61967640), (20, 49574112), (21, 47213440), (24, 41311760), (28, 35410080), (30, 33049408), (32, 30983820), (35, 28328064), (40, 24787056), (42, 23606720), (48, 20655880), (56, 17705040), (60, 16524704), (64, 15491910), (70, 14164032), (80, 12393528), (84, 11803360), (96, 10327940), (105, 9442688), (112, 8852520), (120, 8262352), (128, 7745955), (140, 7082016), (160, 6196764), (168, 5901680), (192, 5163970), (210, 4721344), (224, 4426260), (240, 4131176), (280, 3541008), (320, 3098382), (336, 2950840), (384, 2581985), (420, 2360672), (448, 2213130), (480, 2065588), (560, 1770504), (640, 1549191), (672, 1475420), (840, 1180336), (896, 1106565), (960, 1032794), (1120, 885252), (1344, 737710), (1680, 590168), (1920, 516397), (2240, 442626), (2688, 368855), (3360, 295084), (4480, 221313), (6720, 147542), (13440, 73771)]