68995860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 215381376

約数和(自身を除く): 146385516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 34, 46, 51, 60, 68, 69, 85, 92, 102, 115, 138, 170, 173, 204, 230, 255, 276, 289, 340, 345, 346, 391, 460, 510, 519, 578, 690, 692, 782, 865, 867, 1020, 1038, 1156, 1173, 1380, 1445, 1564, 1730, 1734, 1955, 2076, 2346, 2595, 2890, 2941, 3460, 3468, 3910, 3979, 4335, 4692, 5190, 5780, 5865, 5882, 6647, 7820, 7958, 8670, 8823, 10380, 11730, 11764, 11937, 13294, 14705, 15916, 17340, 17646, 19895, 19941, 23460, 23874, 26588, 29410, 33235, 35292, 39790, 39882, 44115, 47748, 49997, 58820, 59685, 66470, 67643, 79580, 79764, 88230, 99705, 99994, 119370, 132940, 135286, 149991, 176460, 199410, 199988, 202929, 238740, 249985, 270572, 299982, 338215, 398820, 405858, 499970, 599964, 676430, 749955, 811716, 999940, 1014645, 1149931, 1352860, 1499910, 2029290, 2299862, 2999820, 3449793, 4058580, 4599724, 5749655, 6899586, 11499310, 13799172, 17248965, 22998620, 34497930, 68995860]

約数ペア:

[(1, 68995860), (2, 34497930), (3, 22998620), (4, 17248965), (5, 13799172), (6, 11499310), (10, 6899586), (12, 5749655), (15, 4599724), (17, 4058580), (20, 3449793), (23, 2999820), (30, 2299862), (34, 2029290), (46, 1499910), (51, 1352860), (60, 1149931), (68, 1014645), (69, 999940), (85, 811716), (92, 749955), (102, 676430), (115, 599964), (138, 499970), (170, 405858), (173, 398820), (204, 338215), (230, 299982), (255, 270572), (276, 249985), (289, 238740), (340, 202929), (345, 199988), (346, 199410), (391, 176460), (460, 149991), (510, 135286), (519, 132940), (578, 119370), (690, 99994), (692, 99705), (782, 88230), (865, 79764), (867, 79580), (1020, 67643), (1038, 66470), (1156, 59685), (1173, 58820), (1380, 49997), (1445, 47748), (1564, 44115), (1730, 39882), (1734, 39790), (1955, 35292), (2076, 33235), (2346, 29410), (2595, 26588), (2890, 23874), (2941, 23460), (3460, 19941), (3468, 19895), (3910, 17646), (3979, 17340), (4335, 15916), (4692, 14705), (5190, 13294), (5780, 11937), (5865, 11764), (5882, 11730), (6647, 10380), (7820, 8823), (7958, 8670)]