31844280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 104328000

約数和(自身を除く): 72483720

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, 137, 149, 156, 195, 260, 274, 298, 312, 390, 411, 447, 520, 548, 596, 685, 745, 780, 822, 894, 1096, 1192, 1370, 1490, 1560, 1644, 1781, 1788, 1937, 2055, 2235, 2740, 2980, 3288, 3562, 3576, 3874, 4110, 4470, 5343, 5480, 5811, 5960, 7124, 7748, 8220, 8905, 8940, 9685, 10686, 11622, 14248, 15496, 16440, 17810, 17880, 19370, 20413, 21372, 23244, 26715, 29055, 35620, 38740, 40826, 42744, 46488, 53430, 58110, 61239, 71240, 77480, 81652, 102065, 106860, 116220, 122478, 163304, 204130, 213720, 232440, 244956, 265369, 306195, 408260, 489912, 530738, 612390, 796107, 816520, 1061476, 1224780, 1326845, 1592214, 2122952, 2449560, 2653690, 3184428, 3980535, 5307380, 6368856, 7961070, 10614760, 15922140, 31844280]

約数ペア:

[(1, 31844280), (2, 15922140), (3, 10614760), (4, 7961070), (5, 6368856), (6, 5307380), (8, 3980535), (10, 3184428), (12, 2653690), (13, 2449560), (15, 2122952), (20, 1592214), (24, 1326845), (26, 1224780), (30, 1061476), (39, 816520), (40, 796107), (52, 612390), (60, 530738), (65, 489912), (78, 408260), (104, 306195), (120, 265369), (130, 244956), (137, 232440), (149, 213720), (156, 204130), (195, 163304), (260, 122478), (274, 116220), (298, 106860), (312, 102065), (390, 81652), (411, 77480), (447, 71240), (520, 61239), (548, 58110), (596, 53430), (685, 46488), (745, 42744), (780, 40826), (822, 38740), (894, 35620), (1096, 29055), (1192, 26715), (1370, 23244), (1490, 21372), (1560, 20413), (1644, 19370), (1781, 17880), (1788, 17810), (1937, 16440), (2055, 15496), (2235, 14248), (2740, 11622), (2980, 10686), (3288, 9685), (3562, 8940), (3576, 8905), (3874, 8220), (4110, 7748), (4470, 7124), (5343, 5960), (5480, 5811)]