243893120

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 128

約数和(自身を含む): 634521600

約数和(自身を除く): 390628480

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, 647, 760, 992, 1178, 1216, 1240, 1294, 1520, 1984, 2356, 2432, 2480, 2588, 2945, 3040, 3235, 3968, 4712, 4960, 5176, 5890, 6080, 6470, 9424, 9920, 10352, 11780, 12160, 12293, 12940, 18848, 19840, 20057, 20704, 23560, 24586, 25880, 37696, 40114, 41408, 47120, 49172, 51760, 61465, 75392, 80228, 82816, 94240, 98344, 100285, 103520, 122930, 160456, 188480, 196688, 200570, 207040, 245860, 320912, 376960, 381083, 393376, 401140, 414080, 491720, 641824, 762166, 786752, 802280, 983440, 1283648, 1524332, 1573504, 1604560, 1905415, 1966880, 2567296, 3048664, 3209120, 3810830, 3933760, 6097328, 6418240, 7621660, 7867520, 12194656, 12836480, 15243320, 24389312, 30486640, 48778624, 60973280, 121946560, 243893120]

約数ペア:

[(1, 243893120), (2, 121946560), (4, 60973280), (5, 48778624), (8, 30486640), (10, 24389312), (16, 15243320), (19, 12836480), (20, 12194656), (31, 7867520), (32, 7621660), (38, 6418240), (40, 6097328), (62, 3933760), (64, 3810830), (76, 3209120), (80, 3048664), (95, 2567296), (124, 1966880), (128, 1905415), (152, 1604560), (155, 1573504), (160, 1524332), (190, 1283648), (248, 983440), (304, 802280), (310, 786752), (320, 762166), (380, 641824), (496, 491720), (589, 414080), (608, 401140), (620, 393376), (640, 381083), (647, 376960), (760, 320912), (992, 245860), (1178, 207040), (1216, 200570), (1240, 196688), (1294, 188480), (1520, 160456), (1984, 122930), (2356, 103520), (2432, 100285), (2480, 98344), (2588, 94240), (2945, 82816), (3040, 80228), (3235, 75392), (3968, 61465), (4712, 51760), (4960, 49172), (5176, 47120), (5890, 41408), (6080, 40114), (6470, 37696), (9424, 25880), (9920, 24586), (10352, 23560), (11780, 20704), (12160, 20057), (12293, 19840), (12940, 18848)]