344871280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 160

約数和(自身を含む): 939939840

約数和(自身を除く): 595068560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 190, 208, 247, 248, 260, 304, 310, 380, 403, 494, 496, 520, 563, 589, 620, 760, 806, 988, 1040, 1126, 1178, 1235, 1240, 1520, 1612, 1976, 2015, 2252, 2356, 2470, 2480, 2815, 2945, 3224, 3952, 4030, 4504, 4712, 4940, 5630, 5890, 6448, 7319, 7657, 8060, 9008, 9424, 9880, 10697, 11260, 11780, 14638, 15314, 16120, 17453, 19760, 21394, 22520, 23560, 29276, 30628, 32240, 34906, 36595, 38285, 42788, 45040, 47120, 53485, 58552, 61256, 69812, 73190, 76570, 85576, 87265, 106970, 117104, 122512, 139061, 139624, 146380, 153140, 171152, 174530, 213940, 226889, 278122, 279248, 292760, 306280, 331607, 349060, 427880, 453778, 556244, 585520, 612560, 663214, 695305, 698120, 855760, 907556, 1112488, 1134445, 1326428, 1390610, 1396240, 1658035, 1815112, 2224976, 2268890, 2652856, 2781220, 3316070, 3630224, 4310891, 4537780, 5305712, 5562440, 6632140, 8621782, 9075560, 11124880, 13264280, 17243564, 18151120, 21554455, 26528560, 34487128, 43108910, 68974256, 86217820, 172435640, 344871280]

約数ペア:

[(1, 344871280), (2, 172435640), (4, 86217820), (5, 68974256), (8, 43108910), (10, 34487128), (13, 26528560), (16, 21554455), (19, 18151120), (20, 17243564), (26, 13264280), (31, 11124880), (38, 9075560), (40, 8621782), (52, 6632140), (62, 5562440), (65, 5305712), (76, 4537780), (80, 4310891), (95, 3630224), (104, 3316070), (124, 2781220), (130, 2652856), (152, 2268890), (155, 2224976), (190, 1815112), (208, 1658035), (247, 1396240), (248, 1390610), (260, 1326428), (304, 1134445), (310, 1112488), (380, 907556), (403, 855760), (494, 698120), (496, 695305), (520, 663214), (563, 612560), (589, 585520), (620, 556244), (760, 453778), (806, 427880), (988, 349060), (1040, 331607), (1126, 306280), (1178, 292760), (1235, 279248), (1240, 278122), (1520, 226889), (1612, 213940), (1976, 174530), (2015, 171152), (2252, 153140), (2356, 146380), (2470, 139624), (2480, 139061), (2815, 122512), (2945, 117104), (3224, 106970), (3952, 87265), (4030, 85576), (4504, 76570), (4712, 73190), (4940, 69812), (5630, 61256), (5890, 58552), (6448, 53485), (7319, 47120), (7657, 45040), (8060, 42788), (9008, 38285), (9424, 36595), (9880, 34906), (10697, 32240), (11260, 30628), (11780, 29276), (14638, 23560), (15314, 22520), (16120, 21394), (17453, 19760)]