71999360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 116007040

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, 191, 248, 304, 310, 320, 380, 382, 496, 589, 608, 620, 640, 760, 764, 955, 992, 1178, 1216, 1240, 1520, 1528, 1910, 1984, 2356, 2432, 2480, 2945, 3040, 3056, 3629, 3820, 3968, 4712, 4960, 5890, 5921, 6080, 6112, 7258, 7640, 9424, 9920, 11780, 11842, 12160, 12224, 14516, 15280, 18145, 18848, 19840, 23560, 23684, 24448, 29032, 29605, 30560, 36290, 37696, 47120, 47368, 58064, 59210, 61120, 72580, 75392, 94240, 94736, 112499, 116128, 118420, 122240, 145160, 188480, 189472, 224998, 232256, 236840, 290320, 376960, 378944, 449996, 464512, 473680, 562495, 580640, 757888, 899992, 947360, 1124990, 1161280, 1799984, 1894720, 2249980, 2322560, 3599968, 3789440, 4499960, 7199936, 8999920, 14399872, 17999840, 35999680, 71999360]

約数ペア:

[(1, 71999360), (2, 35999680), (4, 17999840), (5, 14399872), (8, 8999920), (10, 7199936), (16, 4499960), (19, 3789440), (20, 3599968), (31, 2322560), (32, 2249980), (38, 1894720), (40, 1799984), (62, 1161280), (64, 1124990), (76, 947360), (80, 899992), (95, 757888), (124, 580640), (128, 562495), (152, 473680), (155, 464512), (160, 449996), (190, 378944), (191, 376960), (248, 290320), (304, 236840), (310, 232256), (320, 224998), (380, 189472), (382, 188480), (496, 145160), (589, 122240), (608, 118420), (620, 116128), (640, 112499), (760, 94736), (764, 94240), (955, 75392), (992, 72580), (1178, 61120), (1216, 59210), (1240, 58064), (1520, 47368), (1528, 47120), (1910, 37696), (1984, 36290), (2356, 30560), (2432, 29605), (2480, 29032), (2945, 24448), (3040, 23684), (3056, 23560), (3629, 19840), (3820, 18848), (3968, 18145), (4712, 15280), (4960, 14516), (5890, 12224), (5921, 12160), (6080, 11842), (6112, 11780), (7258, 9920), (7640, 9424)]