200721720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1705

約数の個数: 128

約数和(自身を含む): 648440640

約数和(自身を除く): 447718920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 244, 255, 305, 340, 366, 408, 488, 510, 610, 680, 732, 915, 1020, 1037, 1220, 1464, 1613, 1830, 2040, 2074, 2440, 3111, 3226, 3660, 4148, 4839, 5185, 6222, 6452, 7320, 8065, 8296, 9678, 10370, 12444, 12904, 15555, 16130, 19356, 20740, 24195, 24888, 27421, 31110, 32260, 38712, 41480, 48390, 54842, 62220, 64520, 82263, 96780, 98393, 109684, 124440, 137105, 164526, 193560, 196786, 219368, 274210, 295179, 329052, 393572, 411315, 491965, 548420, 590358, 658104, 787144, 822630, 983930, 1096840, 1180716, 1475895, 1645260, 1672681, 1967860, 2361432, 2951790, 3290520, 3345362, 3935720, 5018043, 5903580, 6690724, 8363405, 10036086, 11807160, 13381448, 16726810, 20072172, 25090215, 33453620, 40144344, 50180430, 66907240, 100360860, 200721720]

約数ペア:

[(1, 200721720), (2, 100360860), (3, 66907240), (4, 50180430), (5, 40144344), (6, 33453620), (8, 25090215), (10, 20072172), (12, 16726810), (15, 13381448), (17, 11807160), (20, 10036086), (24, 8363405), (30, 6690724), (34, 5903580), (40, 5018043), (51, 3935720), (60, 3345362), (61, 3290520), (68, 2951790), (85, 2361432), (102, 1967860), (120, 1672681), (122, 1645260), (136, 1475895), (170, 1180716), (183, 1096840), (204, 983930), (244, 822630), (255, 787144), (305, 658104), (340, 590358), (366, 548420), (408, 491965), (488, 411315), (510, 393572), (610, 329052), (680, 295179), (732, 274210), (915, 219368), (1020, 196786), (1037, 193560), (1220, 164526), (1464, 137105), (1613, 124440), (1830, 109684), (2040, 98393), (2074, 96780), (2440, 82263), (3111, 64520), (3226, 62220), (3660, 54842), (4148, 48390), (4839, 41480), (5185, 38712), (6222, 32260), (6452, 31110), (7320, 27421), (8065, 24888), (8296, 24195), (9678, 20740), (10370, 19356), (12444, 16130), (12904, 15555)]