640361040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{22051}}^1$

素因数の和:22089

約数の個数: 120

約数和(自身を含む): 2182089504

約数和(自身を除く): 1541728464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4840, 5808, 7260, 9680, 14520, 22051, 29040, 44102, 66153, 88204, 110255, 132306, 176408, 220510, 242561, 264612, 330765, 352816, 441020, 485122, 529224, 661530, 727683, 882040, 970244, 1058448, 1212805, 1323060, 1455366, 1764080, 1940488, 2425610, 2646120, 2668171, 2910732, 3638415, 3880976, 4851220, 5292240, 5336342, 5821464, 7276830, 8004513, 9702440, 10672684, 11642928, 13340855, 14553660, 16009026, 19404880, 21345368, 26681710, 29107320, 32018052, 40022565, 42690736, 53363420, 58214640, 64036104, 80045130, 106726840, 128072208, 160090260, 213453680, 320180520, 640361040]

約数ペア:

[(1, 640361040), (2, 320180520), (3, 213453680), (4, 160090260), (5, 128072208), (6, 106726840), (8, 80045130), (10, 64036104), (11, 58214640), (12, 53363420), (15, 42690736), (16, 40022565), (20, 32018052), (22, 29107320), (24, 26681710), (30, 21345368), (33, 19404880), (40, 16009026), (44, 14553660), (48, 13340855), (55, 11642928), (60, 10672684), (66, 9702440), (80, 8004513), (88, 7276830), (110, 5821464), (120, 5336342), (121, 5292240), (132, 4851220), (165, 3880976), (176, 3638415), (220, 2910732), (240, 2668171), (242, 2646120), (264, 2425610), (330, 1940488), (363, 1764080), (440, 1455366), (484, 1323060), (528, 1212805), (605, 1058448), (660, 970244), (726, 882040), (880, 727683), (968, 661530), (1210, 529224), (1320, 485122), (1452, 441020), (1815, 352816), (1936, 330765), (2420, 264612), (2640, 242561), (2904, 220510), (3630, 176408), (4840, 132306), (5808, 110255), (7260, 88204), (9680, 66153), (14520, 44102), (22051, 29040)]