440989740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{40163}}^1$

素因数の和:40239

約数の個数: 72

約数和(自身を含む): 1359631728

約数和(自身を除く): 918641988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 40163, 80326, 120489, 160652, 200815, 240978, 361467, 401630, 481956, 602445, 722934, 803260, 1204890, 1445868, 1807335, 2409780, 2449943, 3614670, 4899886, 7229340, 7349829, 9799772, 12249715, 14699658, 22049487, 24499430, 29399316, 36749145, 44098974, 48998860, 73498290, 88197948, 110247435, 146996580, 220494870, 440989740]

約数ペア:

[(1, 440989740), (2, 220494870), (3, 146996580), (4, 110247435), (5, 88197948), (6, 73498290), (9, 48998860), (10, 44098974), (12, 36749145), (15, 29399316), (18, 24499430), (20, 22049487), (30, 14699658), (36, 12249715), (45, 9799772), (60, 7349829), (61, 7229340), (90, 4899886), (122, 3614670), (180, 2449943), (183, 2409780), (244, 1807335), (305, 1445868), (366, 1204890), (549, 803260), (610, 722934), (732, 602445), (915, 481956), (1098, 401630), (1220, 361467), (1830, 240978), (2196, 200815), (2745, 160652), (3660, 120489), (5490, 80326), (10980, 40163)]