64484420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3261

約数の個数: 96

約数和(自身を含む): 181875456

約数和(自身を除く): 117391036

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 3221, 4004, 5005, 6442, 10010, 12884, 16105, 20020, 22547, 32210, 35431, 41873, 45094, 64420, 70862, 83746, 90188, 112735, 141724, 167492, 177155, 209365, 225470, 248017, 293111, 354310, 418730, 450940, 460603, 496034, 586222, 708620, 837460, 921206, 992068, 1172444, 1240085, 1465555, 1842412, 2303015, 2480170, 2931110, 3224221, 4606030, 4960340, 5862220, 6448442, 9212060, 12896884, 16121105, 32242210, 64484420]

約数ペア:

[(1, 64484420), (2, 32242210), (4, 16121105), (5, 12896884), (7, 9212060), (10, 6448442), (11, 5862220), (13, 4960340), (14, 4606030), (20, 3224221), (22, 2931110), (26, 2480170), (28, 2303015), (35, 1842412), (44, 1465555), (52, 1240085), (55, 1172444), (65, 992068), (70, 921206), (77, 837460), (91, 708620), (110, 586222), (130, 496034), (140, 460603), (143, 450940), (154, 418730), (182, 354310), (220, 293111), (260, 248017), (286, 225470), (308, 209365), (364, 177155), (385, 167492), (455, 141724), (572, 112735), (715, 90188), (770, 83746), (910, 70862), (1001, 64420), (1430, 45094), (1540, 41873), (1820, 35431), (2002, 32210), (2860, 22547), (3221, 20020), (4004, 16105), (5005, 12884), (6442, 10010)]