139682680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 353548800

約数和(自身を除く): 213866120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 61, 76, 92, 95, 115, 122, 131, 152, 184, 190, 230, 244, 262, 305, 380, 437, 460, 488, 524, 610, 655, 760, 874, 920, 1048, 1159, 1220, 1310, 1403, 1748, 2185, 2318, 2440, 2489, 2620, 2806, 3013, 3496, 4370, 4636, 4978, 5240, 5612, 5795, 6026, 7015, 7991, 8740, 9272, 9956, 11224, 11590, 12052, 12445, 14030, 15065, 15982, 17480, 19912, 23180, 24104, 24890, 26657, 28060, 30130, 31964, 39955, 46360, 49780, 53314, 56120, 57247, 60260, 63928, 79910, 99560, 106628, 114494, 120520, 133285, 151829, 159820, 183793, 213256, 228988, 266570, 286235, 303658, 319640, 367586, 457976, 533140, 572470, 607316, 735172, 759145, 918965, 1066280, 1144940, 1214632, 1470344, 1518290, 1837930, 2289880, 3036580, 3492067, 3675860, 6073160, 6984134, 7351720, 13968268, 17460335, 27936536, 34920670, 69841340, 139682680]

約数ペア:

[(1, 139682680), (2, 69841340), (4, 34920670), (5, 27936536), (8, 17460335), (10, 13968268), (19, 7351720), (20, 6984134), (23, 6073160), (38, 3675860), (40, 3492067), (46, 3036580), (61, 2289880), (76, 1837930), (92, 1518290), (95, 1470344), (115, 1214632), (122, 1144940), (131, 1066280), (152, 918965), (184, 759145), (190, 735172), (230, 607316), (244, 572470), (262, 533140), (305, 457976), (380, 367586), (437, 319640), (460, 303658), (488, 286235), (524, 266570), (610, 228988), (655, 213256), (760, 183793), (874, 159820), (920, 151829), (1048, 133285), (1159, 120520), (1220, 114494), (1310, 106628), (1403, 99560), (1748, 79910), (2185, 63928), (2318, 60260), (2440, 57247), (2489, 56120), (2620, 53314), (2806, 49780), (3013, 46360), (3496, 39955), (4370, 31964), (4636, 30130), (4978, 28060), (5240, 26657), (5612, 24890), (5795, 24104), (6026, 23180), (7015, 19912), (7991, 17480), (8740, 15982), (9272, 15065), (9956, 14030), (11224, 12445), (11590, 12052)]