305919320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{709}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 834278400

約数和(自身を除く): 528359080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 67, 70, 92, 115, 134, 140, 161, 184, 230, 268, 280, 322, 335, 460, 469, 536, 644, 670, 709, 805, 920, 938, 1288, 1340, 1418, 1541, 1610, 1876, 2345, 2680, 2836, 3082, 3220, 3545, 3752, 4690, 4963, 5672, 6164, 6440, 7090, 7705, 9380, 9926, 10787, 12328, 14180, 15410, 16307, 18760, 19852, 21574, 24815, 28360, 30820, 32614, 39704, 43148, 47503, 49630, 53935, 61640, 65228, 81535, 86296, 95006, 99260, 107870, 114149, 130456, 163070, 190012, 198520, 215740, 228298, 237515, 326140, 332521, 380024, 431480, 456596, 475030, 570745, 652280, 665042, 913192, 950060, 1092569, 1141490, 1330084, 1662605, 1900120, 2185138, 2282980, 2660168, 3325210, 4370276, 4565960, 5462845, 6650420, 7647983, 8740552, 10925690, 13300840, 15295966, 21851380, 30591932, 38239915, 43702760, 61183864, 76479830, 152959660, 305919320]

約数ペア:

[(1, 305919320), (2, 152959660), (4, 76479830), (5, 61183864), (7, 43702760), (8, 38239915), (10, 30591932), (14, 21851380), (20, 15295966), (23, 13300840), (28, 10925690), (35, 8740552), (40, 7647983), (46, 6650420), (56, 5462845), (67, 4565960), (70, 4370276), (92, 3325210), (115, 2660168), (134, 2282980), (140, 2185138), (161, 1900120), (184, 1662605), (230, 1330084), (268, 1141490), (280, 1092569), (322, 950060), (335, 913192), (460, 665042), (469, 652280), (536, 570745), (644, 475030), (670, 456596), (709, 431480), (805, 380024), (920, 332521), (938, 326140), (1288, 237515), (1340, 228298), (1418, 215740), (1541, 198520), (1610, 190012), (1876, 163070), (2345, 130456), (2680, 114149), (2836, 107870), (3082, 99260), (3220, 95006), (3545, 86296), (3752, 81535), (4690, 65228), (4963, 61640), (5672, 53935), (6164, 49630), (6440, 47503), (7090, 43148), (7705, 39704), (9380, 32614), (9926, 30820), (10787, 28360), (12328, 24815), (14180, 21574), (15410, 19852), (16307, 18760)]