974772180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{2029}}^1$

素因数の和:2218

約数の個数: 144

約数和(自身を含む): 3152232720

約数和(自身を除く): 2177460540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 157, 170, 180, 204, 255, 306, 314, 340, 471, 510, 612, 628, 765, 785, 942, 1020, 1413, 1530, 1570, 1884, 2029, 2355, 2669, 2826, 3060, 3140, 4058, 4710, 5338, 5652, 6087, 7065, 8007, 8116, 9420, 10145, 10676, 12174, 13345, 14130, 16014, 18261, 20290, 24021, 24348, 26690, 28260, 30435, 32028, 34493, 36522, 40035, 40580, 48042, 53380, 60870, 68986, 73044, 80070, 91305, 96084, 103479, 120105, 121740, 137972, 160140, 172465, 182610, 206958, 240210, 310437, 318553, 344930, 365220, 413916, 480420, 517395, 620874, 637106, 689860, 955659, 1034790, 1241748, 1274212, 1552185, 1592765, 1911318, 2069580, 2866977, 3104370, 3185530, 3822636, 4778295, 5415401, 5733954, 6208740, 6371060, 9556590, 10830802, 11467908, 14334885, 16246203, 19113180, 21661604, 27077005, 28669770, 32492406, 48738609, 54154010, 57339540, 64984812, 81231015, 97477218, 108308020, 162462030, 194954436, 243693045, 324924060, 487386090, 974772180]

約数ペア:

[(1, 974772180), (2, 487386090), (3, 324924060), (4, 243693045), (5, 194954436), (6, 162462030), (9, 108308020), (10, 97477218), (12, 81231015), (15, 64984812), (17, 57339540), (18, 54154010), (20, 48738609), (30, 32492406), (34, 28669770), (36, 27077005), (45, 21661604), (51, 19113180), (60, 16246203), (68, 14334885), (85, 11467908), (90, 10830802), (102, 9556590), (153, 6371060), (157, 6208740), (170, 5733954), (180, 5415401), (204, 4778295), (255, 3822636), (306, 3185530), (314, 3104370), (340, 2866977), (471, 2069580), (510, 1911318), (612, 1592765), (628, 1552185), (765, 1274212), (785, 1241748), (942, 1034790), (1020, 955659), (1413, 689860), (1530, 637106), (1570, 620874), (1884, 517395), (2029, 480420), (2355, 413916), (2669, 365220), (2826, 344930), (3060, 318553), (3140, 310437), (4058, 240210), (4710, 206958), (5338, 182610), (5652, 172465), (6087, 160140), (7065, 137972), (8007, 121740), (8116, 120105), (9420, 103479), (10145, 96084), (10676, 91305), (12174, 80070), (13345, 73044), (14130, 68986), (16014, 60870), (18261, 53380), (20290, 48042), (24021, 40580), (24348, 40035), (26690, 36522), (28260, 34493), (30435, 32028)]