30966040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 84816000

約数和(自身を除く): 53849960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 61, 70, 74, 98, 122, 140, 148, 185, 196, 244, 245, 259, 280, 296, 305, 343, 370, 392, 427, 488, 490, 518, 610, 686, 740, 854, 980, 1036, 1220, 1295, 1372, 1480, 1708, 1715, 1813, 1960, 2072, 2135, 2257, 2440, 2590, 2744, 2989, 3416, 3430, 3626, 4270, 4514, 5180, 5978, 6860, 7252, 8540, 9028, 9065, 10360, 11285, 11956, 12691, 13720, 14504, 14945, 15799, 17080, 18056, 18130, 20923, 22570, 23912, 25382, 29890, 31598, 36260, 41846, 45140, 50764, 59780, 63196, 63455, 72520, 78995, 83692, 90280, 101528, 104615, 110593, 119560, 126392, 126910, 157990, 167384, 209230, 221186, 253820, 315980, 418460, 442372, 507640, 552965, 631960, 774151, 836920, 884744, 1105930, 1548302, 2211860, 3096604, 3870755, 4423720, 6193208, 7741510, 15483020, 30966040]

約数ペア:

[(1, 30966040), (2, 15483020), (4, 7741510), (5, 6193208), (7, 4423720), (8, 3870755), (10, 3096604), (14, 2211860), (20, 1548302), (28, 1105930), (35, 884744), (37, 836920), (40, 774151), (49, 631960), (56, 552965), (61, 507640), (70, 442372), (74, 418460), (98, 315980), (122, 253820), (140, 221186), (148, 209230), (185, 167384), (196, 157990), (244, 126910), (245, 126392), (259, 119560), (280, 110593), (296, 104615), (305, 101528), (343, 90280), (370, 83692), (392, 78995), (427, 72520), (488, 63455), (490, 63196), (518, 59780), (610, 50764), (686, 45140), (740, 41846), (854, 36260), (980, 31598), (1036, 29890), (1220, 25382), (1295, 23912), (1372, 22570), (1480, 20923), (1708, 18130), (1715, 18056), (1813, 17080), (1960, 15799), (2072, 14945), (2135, 14504), (2257, 13720), (2440, 12691), (2590, 11956), (2744, 11285), (2989, 10360), (3416, 9065), (3430, 9028), (3626, 8540), (4270, 7252), (4514, 6860), (5180, 5978)]