1639397880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2269}}^1$

素因数の和:2515

約数の個数: 160

約数和(自身を含む): 5537347200

約数和(自身を除く): 3897949320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 223, 270, 324, 360, 405, 446, 540, 648, 669, 810, 892, 1080, 1115, 1338, 1620, 1784, 2007, 2230, 2269, 2676, 3240, 3345, 4014, 4460, 4538, 5352, 6021, 6690, 6807, 8028, 8920, 9076, 10035, 11345, 12042, 13380, 13614, 16056, 18063, 18152, 20070, 20421, 22690, 24084, 26760, 27228, 30105, 34035, 36126, 40140, 40842, 45380, 48168, 54456, 60210, 61263, 68070, 72252, 80280, 81684, 90315, 90760, 102105, 120420, 122526, 136140, 144504, 163368, 180630, 183789, 204210, 240840, 245052, 272280, 306315, 361260, 367578, 408420, 490104, 505987, 612630, 722520, 735156, 816840, 918945, 1011974, 1225260, 1470312, 1517961, 1837890, 2023948, 2450520, 2529935, 3035922, 3675780, 4047896, 4553883, 5059870, 6071844, 7351560, 7589805, 9107766, 10119740, 12143688, 13661649, 15179610, 18215532, 20239480, 22769415, 27323298, 30359220, 36431064, 40984947, 45538830, 54646596, 60718440, 68308245, 81969894, 91077660, 109293192, 136616490, 163939788, 182155320, 204924735, 273232980, 327879576, 409849470, 546465960, 819698940, 1639397880]

約数ペア:

[(1, 1639397880), (2, 819698940), (3, 546465960), (4, 409849470), (5, 327879576), (6, 273232980), (8, 204924735), (9, 182155320), (10, 163939788), (12, 136616490), (15, 109293192), (18, 91077660), (20, 81969894), (24, 68308245), (27, 60718440), (30, 54646596), (36, 45538830), (40, 40984947), (45, 36431064), (54, 30359220), (60, 27323298), (72, 22769415), (81, 20239480), (90, 18215532), (108, 15179610), (120, 13661649), (135, 12143688), (162, 10119740), (180, 9107766), (216, 7589805), (223, 7351560), (270, 6071844), (324, 5059870), (360, 4553883), (405, 4047896), (446, 3675780), (540, 3035922), (648, 2529935), (669, 2450520), (810, 2023948), (892, 1837890), (1080, 1517961), (1115, 1470312), (1338, 1225260), (1620, 1011974), (1784, 918945), (2007, 816840), (2230, 735156), (2269, 722520), (2676, 612630), (3240, 505987), (3345, 490104), (4014, 408420), (4460, 367578), (4538, 361260), (5352, 306315), (6021, 272280), (6690, 245052), (6807, 240840), (8028, 204210), (8920, 183789), (9076, 180630), (10035, 163368), (11345, 144504), (12042, 136140), (13380, 122526), (13614, 120420), (16056, 102105), (18063, 90760), (18152, 90315), (20070, 81684), (20421, 80280), (22690, 72252), (24084, 68070), (26760, 61263), (27228, 60210), (30105, 54456), (34035, 48168), (36126, 45380), (40140, 40842)]