310775920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42689}}^1$

素因数の和:42722

約数の個数: 80

約数和(自身を含む): 889318080

約数和(自身を除く): 578542160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 42689, 85378, 170756, 213445, 298823, 341512, 426890, 554957, 597646, 683024, 853780, 1109914, 1195292, 1494115, 1707560, 2219828, 2390584, 2774785, 2988230, 3415120, 3884699, 4439656, 4781168, 5549570, 5976460, 7769398, 8879312, 11099140, 11952920, 15538796, 19423495, 22198280, 23905840, 31077592, 38846990, 44396560, 62155184, 77693980, 155387960, 310775920]

約数ペア:

[(1, 310775920), (2, 155387960), (4, 77693980), (5, 62155184), (7, 44396560), (8, 38846990), (10, 31077592), (13, 23905840), (14, 22198280), (16, 19423495), (20, 15538796), (26, 11952920), (28, 11099140), (35, 8879312), (40, 7769398), (52, 5976460), (56, 5549570), (65, 4781168), (70, 4439656), (80, 3884699), (91, 3415120), (104, 2988230), (112, 2774785), (130, 2390584), (140, 2219828), (182, 1707560), (208, 1494115), (260, 1195292), (280, 1109914), (364, 853780), (455, 683024), (520, 597646), (560, 554957), (728, 426890), (910, 341512), (1040, 298823), (1456, 213445), (1820, 170756), (3640, 85378), (7280, 42689)]