2991120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 10291008

約数和(自身を除く): 7299888

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, 103, 110, 120, 121, 132, 165, 176, 206, 220, 240, 242, 264, 309, 330, 363, 412, 440, 484, 515, 528, 605, 618, 660, 726, 824, 880, 968, 1030, 1133, 1210, 1236, 1320, 1452, 1545, 1648, 1815, 1936, 2060, 2266, 2420, 2472, 2640, 2904, 3090, 3399, 3630, 4120, 4532, 4840, 4944, 5665, 5808, 6180, 6798, 7260, 8240, 9064, 9680, 11330, 12360, 12463, 13596, 14520, 16995, 18128, 22660, 24720, 24926, 27192, 29040, 33990, 37389, 45320, 49852, 54384, 62315, 67980, 74778, 90640, 99704, 124630, 135960, 149556, 186945, 199408, 249260, 271920, 299112, 373890, 498520, 598224, 747780, 997040, 1495560, 2991120]

約数ペア:

[(1, 2991120), (2, 1495560), (3, 997040), (4, 747780), (5, 598224), (6, 498520), (8, 373890), (10, 299112), (11, 271920), (12, 249260), (15, 199408), (16, 186945), (20, 149556), (22, 135960), (24, 124630), (30, 99704), (33, 90640), (40, 74778), (44, 67980), (48, 62315), (55, 54384), (60, 49852), (66, 45320), (80, 37389), (88, 33990), (103, 29040), (110, 27192), (120, 24926), (121, 24720), (132, 22660), (165, 18128), (176, 16995), (206, 14520), (220, 13596), (240, 12463), (242, 12360), (264, 11330), (309, 9680), (330, 9064), (363, 8240), (412, 7260), (440, 6798), (484, 6180), (515, 5808), (528, 5665), (605, 4944), (618, 4840), (660, 4532), (726, 4120), (824, 3630), (880, 3399), (968, 3090), (1030, 2904), (1133, 2640), (1210, 2472), (1236, 2420), (1320, 2266), (1452, 2060), (1545, 1936), (1648, 1815)]