161415760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 433972224

約数和(自身を除く): 272556464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 61, 62, 80, 88, 97, 110, 122, 124, 155, 176, 194, 220, 244, 248, 305, 310, 341, 388, 440, 485, 488, 496, 610, 620, 671, 682, 776, 880, 970, 976, 1067, 1220, 1240, 1342, 1364, 1552, 1705, 1891, 1940, 2134, 2440, 2480, 2684, 2728, 3007, 3355, 3410, 3782, 3880, 4268, 4880, 5335, 5368, 5456, 5917, 6014, 6710, 6820, 7564, 7760, 8536, 9455, 10670, 10736, 11834, 12028, 13420, 13640, 15035, 15128, 17072, 18910, 20801, 21340, 23668, 24056, 26840, 27280, 29585, 30070, 30256, 33077, 37820, 41602, 42680, 47336, 48112, 53680, 59170, 60140, 65087, 66154, 75640, 83204, 85360, 94672, 104005, 118340, 120280, 130174, 132308, 151280, 165385, 166408, 183427, 208010, 236680, 240560, 260348, 264616, 325435, 330770, 332816, 366854, 416020, 473360, 520696, 529232, 650870, 661540, 733708, 832040, 917135, 1041392, 1301740, 1323080, 1467416, 1664080, 1834270, 2017697, 2603480, 2646160, 2934832, 3668540, 4035394, 5206960, 7337080, 8070788, 10088485, 14674160, 16141576, 20176970, 32283152, 40353940, 80707880, 161415760]

約数ペア:

[(1, 161415760), (2, 80707880), (4, 40353940), (5, 32283152), (8, 20176970), (10, 16141576), (11, 14674160), (16, 10088485), (20, 8070788), (22, 7337080), (31, 5206960), (40, 4035394), (44, 3668540), (55, 2934832), (61, 2646160), (62, 2603480), (80, 2017697), (88, 1834270), (97, 1664080), (110, 1467416), (122, 1323080), (124, 1301740), (155, 1041392), (176, 917135), (194, 832040), (220, 733708), (244, 661540), (248, 650870), (305, 529232), (310, 520696), (341, 473360), (388, 416020), (440, 366854), (485, 332816), (488, 330770), (496, 325435), (610, 264616), (620, 260348), (671, 240560), (682, 236680), (776, 208010), (880, 183427), (970, 166408), (976, 165385), (1067, 151280), (1220, 132308), (1240, 130174), (1342, 120280), (1364, 118340), (1552, 104005), (1705, 94672), (1891, 85360), (1940, 83204), (2134, 75640), (2440, 66154), (2480, 65087), (2684, 60140), (2728, 59170), (3007, 53680), (3355, 48112), (3410, 47336), (3782, 42680), (3880, 41602), (4268, 37820), (4880, 33077), (5335, 30256), (5368, 30070), (5456, 29585), (5917, 27280), (6014, 26840), (6710, 24056), (6820, 23668), (7564, 21340), (7760, 20801), (8536, 18910), (9455, 17072), (10670, 15128), (10736, 15035), (11834, 13640), (12028, 13420)]