31965240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 100699200

約数和(自身を除く): 68733960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 73, 82, 89, 120, 123, 146, 164, 178, 205, 219, 246, 267, 292, 328, 356, 365, 410, 438, 445, 492, 534, 584, 615, 712, 730, 820, 876, 890, 984, 1068, 1095, 1230, 1335, 1460, 1640, 1752, 1780, 2136, 2190, 2460, 2670, 2920, 2993, 3560, 3649, 4380, 4920, 5340, 5986, 6497, 7298, 8760, 8979, 10680, 10947, 11972, 12994, 14596, 14965, 17958, 18245, 19491, 21894, 23944, 25988, 29192, 29930, 32485, 35916, 36490, 38982, 43788, 44895, 51976, 54735, 59860, 64970, 71832, 72980, 77964, 87576, 89790, 97455, 109470, 119720, 129940, 145960, 155928, 179580, 194910, 218940, 259880, 266377, 359160, 389820, 437880, 532754, 779640, 799131, 1065508, 1331885, 1598262, 2131016, 2663770, 3196524, 3995655, 5327540, 6393048, 7991310, 10655080, 15982620, 31965240]

約数ペア:

[(1, 31965240), (2, 15982620), (3, 10655080), (4, 7991310), (5, 6393048), (6, 5327540), (8, 3995655), (10, 3196524), (12, 2663770), (15, 2131016), (20, 1598262), (24, 1331885), (30, 1065508), (40, 799131), (41, 779640), (60, 532754), (73, 437880), (82, 389820), (89, 359160), (120, 266377), (123, 259880), (146, 218940), (164, 194910), (178, 179580), (205, 155928), (219, 145960), (246, 129940), (267, 119720), (292, 109470), (328, 97455), (356, 89790), (365, 87576), (410, 77964), (438, 72980), (445, 71832), (492, 64970), (534, 59860), (584, 54735), (615, 51976), (712, 44895), (730, 43788), (820, 38982), (876, 36490), (890, 35916), (984, 32485), (1068, 29930), (1095, 29192), (1230, 25988), (1335, 23944), (1460, 21894), (1640, 19491), (1752, 18245), (1780, 17958), (2136, 14965), (2190, 14596), (2460, 12994), (2670, 11972), (2920, 10947), (2993, 10680), (3560, 8979), (3649, 8760), (4380, 7298), (4920, 6497), (5340, 5986)]