320063640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1031}}^1$

素因数の和:1257

約数の個数: 128

約数和(自身を含む): 1040256000

約数和(自身を除く): 720192360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 199, 260, 312, 390, 398, 520, 597, 780, 796, 995, 1031, 1194, 1560, 1592, 1990, 2062, 2388, 2587, 2985, 3093, 3980, 4124, 4776, 5155, 5174, 5970, 6186, 7761, 7960, 8248, 10310, 10348, 11940, 12372, 12935, 13403, 15465, 15522, 20620, 20696, 23880, 24744, 25870, 26806, 30930, 31044, 38805, 40209, 41240, 51740, 53612, 61860, 62088, 67015, 77610, 80418, 103480, 107224, 123720, 134030, 155220, 160836, 201045, 205169, 268060, 310440, 321672, 402090, 410338, 536120, 615507, 804180, 820676, 1025845, 1231014, 1608360, 1641352, 2051690, 2462028, 2667197, 3077535, 4103380, 4924056, 5334394, 6155070, 8001591, 8206760, 10668788, 12310140, 13335985, 16003182, 21337576, 24620280, 26671970, 32006364, 40007955, 53343940, 64012728, 80015910, 106687880, 160031820, 320063640]

約数ペア:

[(1, 320063640), (2, 160031820), (3, 106687880), (4, 80015910), (5, 64012728), (6, 53343940), (8, 40007955), (10, 32006364), (12, 26671970), (13, 24620280), (15, 21337576), (20, 16003182), (24, 13335985), (26, 12310140), (30, 10668788), (39, 8206760), (40, 8001591), (52, 6155070), (60, 5334394), (65, 4924056), (78, 4103380), (104, 3077535), (120, 2667197), (130, 2462028), (156, 2051690), (195, 1641352), (199, 1608360), (260, 1231014), (312, 1025845), (390, 820676), (398, 804180), (520, 615507), (597, 536120), (780, 410338), (796, 402090), (995, 321672), (1031, 310440), (1194, 268060), (1560, 205169), (1592, 201045), (1990, 160836), (2062, 155220), (2388, 134030), (2587, 123720), (2985, 107224), (3093, 103480), (3980, 80418), (4124, 77610), (4776, 67015), (5155, 62088), (5174, 61860), (5970, 53612), (6186, 51740), (7761, 41240), (7960, 40209), (8248, 38805), (10310, 31044), (10348, 30930), (11940, 26806), (12372, 25870), (12935, 24744), (13403, 23880), (15465, 20696), (15522, 20620)]