129275820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:624

約数の個数: 144

約数和(自身を含む): 421031520

約数和(自身を除く): 291755700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 102, 153, 166, 170, 180, 204, 249, 255, 306, 332, 340, 415, 498, 509, 510, 612, 747, 765, 830, 996, 1018, 1020, 1245, 1411, 1494, 1527, 1530, 1660, 2036, 2490, 2545, 2822, 2988, 3054, 3060, 3735, 4233, 4581, 4980, 5090, 5644, 6108, 7055, 7470, 7635, 8466, 8653, 9162, 10180, 12699, 14110, 14940, 15270, 16932, 17306, 18324, 21165, 22905, 25398, 25959, 28220, 30540, 34612, 42247, 42330, 43265, 45810, 50796, 51918, 63495, 77877, 84494, 84660, 86530, 91620, 103836, 126741, 126990, 129795, 155754, 168988, 173060, 211235, 253482, 253980, 259590, 311508, 380223, 389385, 422470, 506964, 519180, 633705, 718199, 760446, 778770, 844940, 1267410, 1436398, 1520892, 1557540, 1901115, 2154597, 2534820, 2872796, 3590995, 3802230, 4309194, 6463791, 7181990, 7604460, 8618388, 10772985, 12927582, 14363980, 21545970, 25855164, 32318955, 43091940, 64637910, 129275820]

約数ペア:

[(1, 129275820), (2, 64637910), (3, 43091940), (4, 32318955), (5, 25855164), (6, 21545970), (9, 14363980), (10, 12927582), (12, 10772985), (15, 8618388), (17, 7604460), (18, 7181990), (20, 6463791), (30, 4309194), (34, 3802230), (36, 3590995), (45, 2872796), (51, 2534820), (60, 2154597), (68, 1901115), (83, 1557540), (85, 1520892), (90, 1436398), (102, 1267410), (153, 844940), (166, 778770), (170, 760446), (180, 718199), (204, 633705), (249, 519180), (255, 506964), (306, 422470), (332, 389385), (340, 380223), (415, 311508), (498, 259590), (509, 253980), (510, 253482), (612, 211235), (747, 173060), (765, 168988), (830, 155754), (996, 129795), (1018, 126990), (1020, 126741), (1245, 103836), (1411, 91620), (1494, 86530), (1527, 84660), (1530, 84494), (1660, 77877), (2036, 63495), (2490, 51918), (2545, 50796), (2822, 45810), (2988, 43265), (3054, 42330), (3060, 42247), (3735, 34612), (4233, 30540), (4581, 28220), (4980, 25959), (5090, 25398), (5644, 22905), (6108, 21165), (7055, 18324), (7470, 17306), (7635, 16932), (8466, 15270), (8653, 14940), (9162, 14110), (10180, 12699)]