260479360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:760

約数の個数: 128

約数和(自身を含む): 677606400

約数和(自身を除く): 417127040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 691, 760, 992, 1178, 1216, 1240, 1382, 1520, 1984, 2356, 2432, 2480, 2764, 2945, 3040, 3455, 3968, 4712, 4960, 5528, 5890, 6080, 6910, 9424, 9920, 11056, 11780, 12160, 13129, 13820, 18848, 19840, 21421, 22112, 23560, 26258, 27640, 37696, 42842, 44224, 47120, 52516, 55280, 65645, 75392, 85684, 88448, 94240, 105032, 107105, 110560, 131290, 171368, 188480, 210064, 214210, 221120, 262580, 342736, 376960, 406999, 420128, 428420, 442240, 525160, 685472, 813998, 840256, 856840, 1050320, 1370944, 1627996, 1680512, 1713680, 2034995, 2100640, 2741888, 3255992, 3427360, 4069990, 4201280, 6511984, 6854720, 8139980, 8402560, 13023968, 13709440, 16279960, 26047936, 32559920, 52095872, 65119840, 130239680, 260479360]

約数ペア:

[(1, 260479360), (2, 130239680), (4, 65119840), (5, 52095872), (8, 32559920), (10, 26047936), (16, 16279960), (19, 13709440), (20, 13023968), (31, 8402560), (32, 8139980), (38, 6854720), (40, 6511984), (62, 4201280), (64, 4069990), (76, 3427360), (80, 3255992), (95, 2741888), (124, 2100640), (128, 2034995), (152, 1713680), (155, 1680512), (160, 1627996), (190, 1370944), (248, 1050320), (304, 856840), (310, 840256), (320, 813998), (380, 685472), (496, 525160), (589, 442240), (608, 428420), (620, 420128), (640, 406999), (691, 376960), (760, 342736), (992, 262580), (1178, 221120), (1216, 214210), (1240, 210064), (1382, 188480), (1520, 171368), (1984, 131290), (2356, 110560), (2432, 107105), (2480, 105032), (2764, 94240), (2945, 88448), (3040, 85684), (3455, 75392), (3968, 65645), (4712, 55280), (4960, 52516), (5528, 47120), (5890, 44224), (6080, 42842), (6910, 37696), (9424, 27640), (9920, 26258), (11056, 23560), (11780, 22112), (12160, 21421), (13129, 19840), (13820, 18848)]