65890980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 215704944

約数和(自身を除く): 149813964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 153, 170, 180, 183, 204, 244, 255, 305, 306, 340, 353, 366, 510, 549, 610, 612, 706, 732, 765, 915, 1020, 1037, 1059, 1098, 1220, 1412, 1530, 1765, 1830, 2074, 2118, 2196, 2745, 3060, 3111, 3177, 3530, 3660, 4148, 4236, 5185, 5295, 5490, 6001, 6222, 6354, 7060, 9333, 10370, 10590, 10980, 12002, 12444, 12708, 15555, 15885, 18003, 18666, 20740, 21180, 21533, 24004, 30005, 31110, 31770, 36006, 37332, 43066, 46665, 54009, 60010, 62220, 63540, 64599, 72012, 86132, 90015, 93330, 107665, 108018, 120020, 129198, 180030, 186660, 193797, 215330, 216036, 258396, 270045, 322995, 360060, 366061, 387594, 430660, 540090, 645990, 732122, 775188, 968985, 1080180, 1098183, 1291980, 1464244, 1830305, 1937970, 2196366, 3294549, 3660610, 3875940, 4392732, 5490915, 6589098, 7321220, 10981830, 13178196, 16472745, 21963660, 32945490, 65890980]

約数ペア:

[(1, 65890980), (2, 32945490), (3, 21963660), (4, 16472745), (5, 13178196), (6, 10981830), (9, 7321220), (10, 6589098), (12, 5490915), (15, 4392732), (17, 3875940), (18, 3660610), (20, 3294549), (30, 2196366), (34, 1937970), (36, 1830305), (45, 1464244), (51, 1291980), (60, 1098183), (61, 1080180), (68, 968985), (85, 775188), (90, 732122), (102, 645990), (122, 540090), (153, 430660), (170, 387594), (180, 366061), (183, 360060), (204, 322995), (244, 270045), (255, 258396), (305, 216036), (306, 215330), (340, 193797), (353, 186660), (366, 180030), (510, 129198), (549, 120020), (610, 108018), (612, 107665), (706, 93330), (732, 90015), (765, 86132), (915, 72012), (1020, 64599), (1037, 63540), (1059, 62220), (1098, 60010), (1220, 54009), (1412, 46665), (1530, 43066), (1765, 37332), (1830, 36006), (2074, 31770), (2118, 31110), (2196, 30005), (2745, 24004), (3060, 21533), (3111, 21180), (3177, 20740), (3530, 18666), (3660, 18003), (4148, 15885), (4236, 15555), (5185, 12708), (5295, 12444), (5490, 12002), (6001, 10980), (6222, 10590), (6354, 10370), (7060, 9333)]