31307370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 83818368

約数和(自身を除く): 52510998

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 157, 170, 230, 255, 289, 314, 345, 391, 471, 510, 578, 690, 782, 785, 867, 942, 1173, 1445, 1570, 1734, 1955, 2346, 2355, 2669, 2890, 3611, 3910, 4335, 4710, 5338, 5865, 6647, 7222, 8007, 8670, 10833, 11730, 13294, 13345, 16014, 18055, 19941, 21666, 26690, 33235, 36110, 39882, 40035, 45373, 54165, 61387, 66470, 80070, 90746, 99705, 108330, 122774, 136119, 184161, 199410, 226865, 272238, 306935, 368322, 453730, 613870, 680595, 920805, 1043579, 1361190, 1841610, 2087158, 3130737, 5217895, 6261474, 10435790, 15653685, 31307370]

約数ペア:

[(1, 31307370), (2, 15653685), (3, 10435790), (5, 6261474), (6, 5217895), (10, 3130737), (15, 2087158), (17, 1841610), (23, 1361190), (30, 1043579), (34, 920805), (46, 680595), (51, 613870), (69, 453730), (85, 368322), (102, 306935), (115, 272238), (138, 226865), (157, 199410), (170, 184161), (230, 136119), (255, 122774), (289, 108330), (314, 99705), (345, 90746), (391, 80070), (471, 66470), (510, 61387), (578, 54165), (690, 45373), (782, 40035), (785, 39882), (867, 36110), (942, 33235), (1173, 26690), (1445, 21666), (1570, 19941), (1734, 18055), (1955, 16014), (2346, 13345), (2355, 13294), (2669, 11730), (2890, 10833), (3611, 8670), (3910, 8007), (4335, 7222), (4710, 6647), (5338, 5865)]