30438760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 79480800

約数和(自身を除く): 49042040

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 121, 152, 190, 209, 220, 242, 331, 380, 418, 440, 484, 605, 662, 760, 836, 968, 1045, 1210, 1324, 1655, 1672, 2090, 2299, 2420, 2648, 3310, 3641, 4180, 4598, 4840, 6289, 6620, 7282, 8360, 9196, 11495, 12578, 13240, 14564, 18205, 18392, 22990, 25156, 29128, 31445, 36410, 40051, 45980, 50312, 62890, 69179, 72820, 80102, 91960, 125780, 138358, 145640, 160204, 200255, 251560, 276716, 320408, 345895, 400510, 553432, 691790, 760969, 801020, 1383580, 1521938, 1602040, 2767160, 3043876, 3804845, 6087752, 7609690, 15219380, 30438760]

約数ペア:

[(1, 30438760), (2, 15219380), (4, 7609690), (5, 6087752), (8, 3804845), (10, 3043876), (11, 2767160), (19, 1602040), (20, 1521938), (22, 1383580), (38, 801020), (40, 760969), (44, 691790), (55, 553432), (76, 400510), (88, 345895), (95, 320408), (110, 276716), (121, 251560), (152, 200255), (190, 160204), (209, 145640), (220, 138358), (242, 125780), (331, 91960), (380, 80102), (418, 72820), (440, 69179), (484, 62890), (605, 50312), (662, 45980), (760, 40051), (836, 36410), (968, 31445), (1045, 29128), (1210, 25156), (1324, 22990), (1655, 18392), (1672, 18205), (2090, 14564), (2299, 13240), (2420, 12578), (2648, 11495), (3310, 9196), (3641, 8360), (4180, 7282), (4598, 6620), (4840, 6289)]