78784640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 223845120

約数和(自身を除く): 145060480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 64, 76, 80, 88, 95, 110, 124, 128, 152, 155, 160, 176, 190, 209, 220, 248, 304, 310, 320, 341, 352, 361, 380, 418, 440, 496, 589, 608, 620, 640, 682, 704, 722, 760, 836, 880, 992, 1045, 1178, 1216, 1240, 1364, 1408, 1444, 1520, 1672, 1705, 1760, 1805, 1984, 2090, 2356, 2432, 2480, 2728, 2888, 2945, 3040, 3344, 3410, 3520, 3610, 3968, 3971, 4180, 4712, 4960, 5456, 5776, 5890, 6080, 6479, 6688, 6820, 7040, 7220, 7942, 8360, 9424, 9920, 10912, 11191, 11552, 11780, 12160, 12958, 13376, 13640, 14440, 15884, 16720, 18848, 19840, 19855, 21824, 22382, 23104, 23560, 25916, 26752, 27280, 28880, 31768, 32395, 33440, 37696, 39710, 43648, 44764, 46208, 47120, 51832, 54560, 55955, 57760, 63536, 64790, 66880, 75392, 79420, 89528, 94240, 103664, 109120, 111910, 115520, 123101, 127072, 129580, 133760, 158840, 179056, 188480, 207328, 218240, 223820, 231040, 246202, 254144, 259160, 317680, 358112, 376960, 414656, 447640, 492404, 508288, 518320, 615505, 635360, 716224, 829312, 895280, 984808, 1036640, 1231010, 1270720, 1432448, 1790560, 1969616, 2073280, 2462020, 2541440, 3581120, 3939232, 4146560, 4924040, 7162240, 7878464, 9848080, 15756928, 19696160, 39392320, 78784640]

約数ペア:

[(1, 78784640), (2, 39392320), (4, 19696160), (5, 15756928), (8, 9848080), (10, 7878464), (11, 7162240), (16, 4924040), (19, 4146560), (20, 3939232), (22, 3581120), (31, 2541440), (32, 2462020), (38, 2073280), (40, 1969616), (44, 1790560), (55, 1432448), (62, 1270720), (64, 1231010), (76, 1036640), (80, 984808), (88, 895280), (95, 829312), (110, 716224), (124, 635360), (128, 615505), (152, 518320), (155, 508288), (160, 492404), (176, 447640), (190, 414656), (209, 376960), (220, 358112), (248, 317680), (304, 259160), (310, 254144), (320, 246202), (341, 231040), (352, 223820), (361, 218240), (380, 207328), (418, 188480), (440, 179056), (496, 158840), (589, 133760), (608, 129580), (620, 127072), (640, 123101), (682, 115520), (704, 111910), (722, 109120), (760, 103664), (836, 94240), (880, 89528), (992, 79420), (1045, 75392), (1178, 66880), (1216, 64790), (1240, 63536), (1364, 57760), (1408, 55955), (1444, 54560), (1520, 51832), (1672, 47120), (1705, 46208), (1760, 44764), (1805, 43648), (1984, 39710), (2090, 37696), (2356, 33440), (2432, 32395), (2480, 31768), (2728, 28880), (2888, 27280), (2945, 26752), (3040, 25916), (3344, 23560), (3410, 23104), (3520, 22382), (3610, 21824), (3968, 19855), (3971, 19840), (4180, 18848), (4712, 16720), (4960, 15884), (5456, 14440), (5776, 13640), (5890, 13376), (6080, 12958), (6479, 12160), (6688, 11780), (6820, 11552), (7040, 11191), (7220, 10912), (7942, 9920), (8360, 9424)]