22172800

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 60757830

約数和(自身を除く): 38585030

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 41, 50, 52, 64, 65, 80, 82, 100, 104, 128, 130, 160, 164, 169, 200, 205, 208, 260, 320, 325, 328, 338, 400, 410, 416, 520, 533, 640, 650, 656, 676, 800, 820, 832, 845, 1025, 1040, 1066, 1300, 1312, 1352, 1600, 1640, 1664, 1690, 2050, 2080, 2132, 2600, 2624, 2665, 2704, 3200, 3280, 3380, 4100, 4160, 4225, 4264, 5200, 5248, 5330, 5408, 6560, 6760, 6929, 8200, 8320, 8450, 8528, 10400, 10660, 10816, 13120, 13325, 13520, 13858, 16400, 16900, 17056, 20800, 21320, 21632, 26240, 26650, 27040, 27716, 32800, 33800, 34112, 34645, 41600, 42640, 53300, 54080, 55432, 65600, 67600, 68224, 69290, 85280, 106600, 108160, 110864, 131200, 135200, 138580, 170560, 173225, 213200, 221728, 270400, 277160, 341120, 346450, 426400, 443456, 540800, 554320, 692900, 852800, 886912, 1108640, 1385800, 1705600, 2217280, 2771600, 4434560, 5543200, 11086400, 22172800]

約数ペア:

[(1, 22172800), (2, 11086400), (4, 5543200), (5, 4434560), (8, 2771600), (10, 2217280), (13, 1705600), (16, 1385800), (20, 1108640), (25, 886912), (26, 852800), (32, 692900), (40, 554320), (41, 540800), (50, 443456), (52, 426400), (64, 346450), (65, 341120), (80, 277160), (82, 270400), (100, 221728), (104, 213200), (128, 173225), (130, 170560), (160, 138580), (164, 135200), (169, 131200), (200, 110864), (205, 108160), (208, 106600), (260, 85280), (320, 69290), (325, 68224), (328, 67600), (338, 65600), (400, 55432), (410, 54080), (416, 53300), (520, 42640), (533, 41600), (640, 34645), (650, 34112), (656, 33800), (676, 32800), (800, 27716), (820, 27040), (832, 26650), (845, 26240), (1025, 21632), (1040, 21320), (1066, 20800), (1300, 17056), (1312, 16900), (1352, 16400), (1600, 13858), (1640, 13520), (1664, 13325), (1690, 13120), (2050, 10816), (2080, 10660), (2132, 10400), (2600, 8528), (2624, 8450), (2665, 8320), (2704, 8200), (3200, 6929), (3280, 6760), (3380, 6560), (4100, 5408), (4160, 5330), (4225, 5248), (4264, 5200)]