64400028720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{310931}}^1$

素因数の和:311810

約数の個数: 80

約数和(自身を含む): 199872064512

約数和(自身を除く): 135472035792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 863, 1726, 2589, 3452, 4315, 5178, 6904, 8630, 10356, 12945, 13808, 17260, 20712, 25890, 34520, 41424, 51780, 69040, 103560, 207120, 310931, 621862, 932793, 1243724, 1554655, 1865586, 2487448, 3109310, 3731172, 4663965, 4974896, 6218620, 7462344, 9327930, 12437240, 14924688, 18655860, 24874480, 37311720, 74623440, 268333453, 536666906, 805000359, 1073333812, 1341667265, 1610000718, 2146667624, 2683334530, 3220001436, 4025001795, 4293335248, 5366669060, 6440002872, 8050003590, 10733338120, 12880005744, 16100007180, 21466676240, 32200014360, 64400028720]

約数ペア:

[(1, 64400028720), (2, 32200014360), (3, 21466676240), (4, 16100007180), (5, 12880005744), (6, 10733338120), (8, 8050003590), (10, 6440002872), (12, 5366669060), (15, 4293335248), (16, 4025001795), (20, 3220001436), (24, 2683334530), (30, 2146667624), (40, 1610000718), (48, 1341667265), (60, 1073333812), (80, 805000359), (120, 536666906), (240, 268333453), (863, 74623440), (1726, 37311720), (2589, 24874480), (3452, 18655860), (4315, 14924688), (5178, 12437240), (6904, 9327930), (8630, 7462344), (10356, 6218620), (12945, 4974896), (13808, 4663965), (17260, 3731172), (20712, 3109310), (25890, 2487448), (34520, 1865586), (41424, 1554655), (51780, 1243724), (69040, 932793), (103560, 621862), (207120, 310931)]