290674440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{38449}}^1$

素因数の和:38476

約数の個数: 128

約数和(自身を含む): 1107360000

約数和(自身を除く): 816685560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 38449, 76898, 115347, 153796, 192245, 230694, 269143, 307592, 346041, 384490, 461388, 538286, 576735, 692082, 768980, 807429, 922776, 1038123, 1076572, 1153470, 1345715, 1384164, 1537960, 1614858, 1730205, 2076246, 2153144, 2306940, 2422287, 2691430, 2768328, 3229716, 3460410, 4037145, 4152492, 4613880, 4844574, 5190615, 5382860, 6459432, 6920820, 7266861, 8074290, 8304984, 9689148, 10381230, 10765720, 12111435, 13841640, 14533722, 16148580, 19378296, 20762460, 24222870, 29067444, 32297160, 36334305, 41524920, 48445740, 58134888, 72668610, 96891480, 145337220, 290674440]

約数ペア:

[(1, 290674440), (2, 145337220), (3, 96891480), (4, 72668610), (5, 58134888), (6, 48445740), (7, 41524920), (8, 36334305), (9, 32297160), (10, 29067444), (12, 24222870), (14, 20762460), (15, 19378296), (18, 16148580), (20, 14533722), (21, 13841640), (24, 12111435), (27, 10765720), (28, 10381230), (30, 9689148), (35, 8304984), (36, 8074290), (40, 7266861), (42, 6920820), (45, 6459432), (54, 5382860), (56, 5190615), (60, 4844574), (63, 4613880), (70, 4152492), (72, 4037145), (84, 3460410), (90, 3229716), (105, 2768328), (108, 2691430), (120, 2422287), (126, 2306940), (135, 2153144), (140, 2076246), (168, 1730205), (180, 1614858), (189, 1537960), (210, 1384164), (216, 1345715), (252, 1153470), (270, 1076572), (280, 1038123), (315, 922776), (360, 807429), (378, 768980), (420, 692082), (504, 576735), (540, 538286), (630, 461388), (756, 384490), (840, 346041), (945, 307592), (1080, 269143), (1260, 230694), (1512, 192245), (1890, 153796), (2520, 115347), (3780, 76898), (7560, 38449)]