17931720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 57542400

約数和(自身を除く): 39610680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 89, 92, 115, 120, 138, 146, 178, 184, 219, 230, 267, 276, 292, 345, 356, 365, 438, 445, 460, 534, 552, 584, 690, 712, 730, 876, 890, 920, 1068, 1095, 1335, 1380, 1460, 1679, 1752, 1780, 2047, 2136, 2190, 2670, 2760, 2920, 3358, 3560, 4094, 4380, 5037, 5340, 6141, 6497, 6716, 8188, 8395, 8760, 10074, 10235, 10680, 12282, 12994, 13432, 16376, 16790, 19491, 20148, 20470, 24564, 25185, 25988, 30705, 32485, 33580, 38982, 40296, 40940, 49128, 50370, 51976, 61410, 64970, 67160, 77964, 81880, 97455, 100740, 122820, 129940, 149431, 155928, 194910, 201480, 245640, 259880, 298862, 389820, 448293, 597724, 747155, 779640, 896586, 1195448, 1494310, 1793172, 2241465, 2988620, 3586344, 4482930, 5977240, 8965860, 17931720]

約数ペア:

[(1, 17931720), (2, 8965860), (3, 5977240), (4, 4482930), (5, 3586344), (6, 2988620), (8, 2241465), (10, 1793172), (12, 1494310), (15, 1195448), (20, 896586), (23, 779640), (24, 747155), (30, 597724), (40, 448293), (46, 389820), (60, 298862), (69, 259880), (73, 245640), (89, 201480), (92, 194910), (115, 155928), (120, 149431), (138, 129940), (146, 122820), (178, 100740), (184, 97455), (219, 81880), (230, 77964), (267, 67160), (276, 64970), (292, 61410), (345, 51976), (356, 50370), (365, 49128), (438, 40940), (445, 40296), (460, 38982), (534, 33580), (552, 32485), (584, 30705), (690, 25988), (712, 25185), (730, 24564), (876, 20470), (890, 20148), (920, 19491), (1068, 16790), (1095, 16376), (1335, 13432), (1380, 12994), (1460, 12282), (1679, 10680), (1752, 10235), (1780, 10074), (2047, 8760), (2136, 8395), (2190, 8188), (2670, 6716), (2760, 6497), (2920, 6141), (3358, 5340), (3560, 5037), (4094, 4380)]