64998990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{17}}^3$

素因数の和:81

約数の個数: 192

約数和(自身を含む): 214228800

約数和(自身を除く): 149229810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 49, 51, 54, 63, 70, 85, 90, 98, 102, 105, 119, 126, 135, 147, 153, 170, 189, 210, 238, 245, 255, 270, 289, 294, 306, 315, 357, 378, 441, 459, 490, 510, 578, 595, 630, 714, 735, 765, 833, 867, 882, 918, 945, 1071, 1190, 1323, 1445, 1470, 1530, 1666, 1734, 1785, 1890, 2023, 2142, 2205, 2295, 2499, 2601, 2646, 2890, 3213, 3570, 4046, 4165, 4335, 4410, 4590, 4913, 4998, 5202, 5355, 6069, 6426, 6615, 7497, 7803, 8330, 8670, 9826, 10115, 10710, 12138, 12495, 13005, 13230, 14161, 14739, 14994, 15606, 16065, 18207, 20230, 22491, 24565, 24990, 26010, 28322, 29478, 30345, 32130, 34391, 36414, 37485, 39015, 42483, 44217, 44982, 49130, 54621, 60690, 68782, 70805, 73695, 74970, 78030, 84966, 88434, 91035, 103173, 109242, 112455, 127449, 132651, 141610, 147390, 171955, 182070, 206346, 212415, 221085, 224910, 240737, 254898, 265302, 273105, 309519, 343910, 382347, 424830, 442170, 481474, 515865, 546210, 619038, 637245, 663255, 722211, 764694, 928557, 1031730, 1203685, 1274490, 1326510, 1444422, 1547595, 1857114, 1911735, 2166633, 2407370, 3095190, 3611055, 3823470, 4333266, 4642785, 6499899, 7222110, 9285570, 10833165, 12999798, 21666330, 32499495, 64998990]

約数ペア:

[(1, 64998990), (2, 32499495), (3, 21666330), (5, 12999798), (6, 10833165), (7, 9285570), (9, 7222110), (10, 6499899), (14, 4642785), (15, 4333266), (17, 3823470), (18, 3611055), (21, 3095190), (27, 2407370), (30, 2166633), (34, 1911735), (35, 1857114), (42, 1547595), (45, 1444422), (49, 1326510), (51, 1274490), (54, 1203685), (63, 1031730), (70, 928557), (85, 764694), (90, 722211), (98, 663255), (102, 637245), (105, 619038), (119, 546210), (126, 515865), (135, 481474), (147, 442170), (153, 424830), (170, 382347), (189, 343910), (210, 309519), (238, 273105), (245, 265302), (255, 254898), (270, 240737), (289, 224910), (294, 221085), (306, 212415), (315, 206346), (357, 182070), (378, 171955), (441, 147390), (459, 141610), (490, 132651), (510, 127449), (578, 112455), (595, 109242), (630, 103173), (714, 91035), (735, 88434), (765, 84966), (833, 78030), (867, 74970), (882, 73695), (918, 70805), (945, 68782), (1071, 60690), (1190, 54621), (1323, 49130), (1445, 44982), (1470, 44217), (1530, 42483), (1666, 39015), (1734, 37485), (1785, 36414), (1890, 34391), (2023, 32130), (2142, 30345), (2205, 29478), (2295, 28322), (2499, 26010), (2601, 24990), (2646, 24565), (2890, 22491), (3213, 20230), (3570, 18207), (4046, 16065), (4165, 15606), (4335, 14994), (4410, 14739), (4590, 14161), (4913, 13230), (4998, 13005), (5202, 12495), (5355, 12138), (6069, 10710), (6426, 10115), (6615, 9826), (7497, 8670), (7803, 8330)]