219938520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:985

約数の個数: 128

約数和(自身を含む): 704816640

約数和(自身を除く): 484878120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 131, 136, 170, 204, 255, 262, 340, 393, 408, 510, 524, 655, 680, 786, 823, 1020, 1048, 1310, 1572, 1646, 1965, 2040, 2227, 2469, 2620, 3144, 3292, 3930, 4115, 4454, 4938, 5240, 6584, 6681, 7860, 8230, 8908, 9876, 11135, 12345, 13362, 13991, 15720, 16460, 17816, 19752, 22270, 24690, 26724, 27982, 32920, 33405, 41973, 44540, 49380, 53448, 55964, 66810, 69955, 83946, 89080, 98760, 107813, 111928, 133620, 139910, 167892, 209865, 215626, 267240, 279820, 323439, 335784, 419730, 431252, 539065, 559640, 646878, 839460, 862504, 1078130, 1293756, 1617195, 1678920, 1832821, 2156260, 2587512, 3234390, 3665642, 4312520, 5498463, 6468780, 7331284, 9164105, 10996926, 12937560, 14662568, 18328210, 21993852, 27492315, 36656420, 43987704, 54984630, 73312840, 109969260, 219938520]

約数ペア:

[(1, 219938520), (2, 109969260), (3, 73312840), (4, 54984630), (5, 43987704), (6, 36656420), (8, 27492315), (10, 21993852), (12, 18328210), (15, 14662568), (17, 12937560), (20, 10996926), (24, 9164105), (30, 7331284), (34, 6468780), (40, 5498463), (51, 4312520), (60, 3665642), (68, 3234390), (85, 2587512), (102, 2156260), (120, 1832821), (131, 1678920), (136, 1617195), (170, 1293756), (204, 1078130), (255, 862504), (262, 839460), (340, 646878), (393, 559640), (408, 539065), (510, 431252), (524, 419730), (655, 335784), (680, 323439), (786, 279820), (823, 267240), (1020, 215626), (1048, 209865), (1310, 167892), (1572, 139910), (1646, 133620), (1965, 111928), (2040, 107813), (2227, 98760), (2469, 89080), (2620, 83946), (3144, 69955), (3292, 66810), (3930, 55964), (4115, 53448), (4454, 49380), (4938, 44540), (5240, 41973), (6584, 33405), (6681, 32920), (7860, 27982), (8230, 26724), (8908, 24690), (9876, 22270), (11135, 19752), (12345, 17816), (13362, 16460), (13991, 15720)]