67899920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 160

約数和(自身を含む): 188559360

約数和(自身を除く): 120659440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 131, 152, 155, 176, 190, 209, 220, 248, 262, 304, 310, 341, 380, 418, 440, 496, 524, 589, 620, 655, 682, 760, 836, 880, 1045, 1048, 1178, 1240, 1310, 1364, 1441, 1520, 1672, 1705, 2090, 2096, 2356, 2480, 2489, 2620, 2728, 2882, 2945, 3344, 3410, 4061, 4180, 4712, 4978, 5240, 5456, 5764, 5890, 6479, 6820, 7205, 8122, 8360, 9424, 9956, 10480, 11528, 11780, 12445, 12958, 13640, 14410, 16244, 16720, 19912, 20305, 23056, 23560, 24890, 25916, 27280, 27379, 28820, 32395, 32488, 39824, 40610, 44671, 47120, 49780, 51832, 54758, 57640, 64790, 64976, 77159, 81220, 89342, 99560, 103664, 109516, 115280, 129580, 136895, 154318, 162440, 178684, 199120, 219032, 223355, 259160, 273790, 308636, 324880, 357368, 385795, 438064, 446710, 518320, 547580, 617272, 714736, 771590, 848749, 893420, 1095160, 1234544, 1543180, 1697498, 1786840, 2190320, 3086360, 3394996, 3573680, 4243745, 6172720, 6789992, 8487490, 13579984, 16974980, 33949960, 67899920]

約数ペア:

[(1, 67899920), (2, 33949960), (4, 16974980), (5, 13579984), (8, 8487490), (10, 6789992), (11, 6172720), (16, 4243745), (19, 3573680), (20, 3394996), (22, 3086360), (31, 2190320), (38, 1786840), (40, 1697498), (44, 1543180), (55, 1234544), (62, 1095160), (76, 893420), (80, 848749), (88, 771590), (95, 714736), (110, 617272), (124, 547580), (131, 518320), (152, 446710), (155, 438064), (176, 385795), (190, 357368), (209, 324880), (220, 308636), (248, 273790), (262, 259160), (304, 223355), (310, 219032), (341, 199120), (380, 178684), (418, 162440), (440, 154318), (496, 136895), (524, 129580), (589, 115280), (620, 109516), (655, 103664), (682, 99560), (760, 89342), (836, 81220), (880, 77159), (1045, 64976), (1048, 64790), (1178, 57640), (1240, 54758), (1310, 51832), (1364, 49780), (1441, 47120), (1520, 44671), (1672, 40610), (1705, 39824), (2090, 32488), (2096, 32395), (2356, 28820), (2480, 27379), (2489, 27280), (2620, 25916), (2728, 24890), (2882, 23560), (2945, 23056), (3344, 20305), (3410, 19912), (4061, 16720), (4180, 16244), (4712, 14410), (4978, 13640), (5240, 12958), (5456, 12445), (5764, 11780), (5890, 11528), (6479, 10480), (6820, 9956), (7205, 9424), (8122, 8360)]