1918822920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1103}}^1$

素因数の和:1252

約数の個数: 256

約数和(自身を含む): 6994944000

約数和(自身を除く): 5076121080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 109, 114, 120, 133, 140, 152, 168, 190, 210, 218, 228, 266, 280, 285, 327, 380, 399, 420, 436, 456, 532, 545, 570, 654, 665, 760, 763, 798, 840, 872, 1064, 1090, 1103, 1140, 1308, 1330, 1526, 1596, 1635, 1995, 2071, 2180, 2206, 2280, 2289, 2616, 2660, 3052, 3192, 3270, 3309, 3815, 3990, 4142, 4360, 4412, 4578, 5320, 5515, 6104, 6213, 6540, 6618, 7630, 7721, 7980, 8284, 8824, 9156, 10355, 11030, 11445, 12426, 13080, 13236, 14497, 15260, 15442, 15960, 16545, 16568, 18312, 20710, 20957, 22060, 22890, 23163, 24852, 26472, 28994, 30520, 30884, 31065, 33090, 38605, 41420, 41914, 43491, 44120, 45780, 46326, 49704, 57988, 61768, 62130, 62871, 66180, 72485, 77210, 82840, 83828, 86982, 91560, 92652, 104785, 115815, 115976, 120227, 124260, 125742, 132360, 144970, 146699, 154420, 167656, 173964, 185304, 209570, 217455, 231630, 240454, 248520, 251484, 289940, 293398, 308840, 314355, 347928, 360681, 419140, 434910, 440097, 463260, 480908, 502968, 579880, 586796, 601135, 628710, 721362, 733495, 838280, 841589, 869820, 880194, 926520, 961816, 1173592, 1202270, 1257420, 1442724, 1466990, 1683178, 1739640, 1760388, 1803405, 2200485, 2284313, 2404540, 2514840, 2524767, 2885448, 2933980, 3366356, 3520776, 3606810, 4207945, 4400970, 4568626, 4809080, 5049534, 5867960, 6732712, 6852939, 7213620, 8415890, 8801940, 9137252, 10099068, 11421565, 12623835, 13705878, 14427240, 15990191, 16831780, 17603880, 18274504, 20198136, 22843130, 25247670, 27411756, 31980382, 33663560, 34264695, 45686260, 47970573, 50495340, 54823512, 63960764, 68529390, 79950955, 91372520, 95941146, 100990680, 127921528, 137058780, 159901910, 191882292, 239852865, 274117560, 319803820, 383764584, 479705730, 639607640, 959411460, 1918822920]

約数ペア:

[(1, 1918822920), (2, 959411460), (3, 639607640), (4, 479705730), (5, 383764584), (6, 319803820), (7, 274117560), (8, 239852865), (10, 191882292), (12, 159901910), (14, 137058780), (15, 127921528), (19, 100990680), (20, 95941146), (21, 91372520), (24, 79950955), (28, 68529390), (30, 63960764), (35, 54823512), (38, 50495340), (40, 47970573), (42, 45686260), (56, 34264695), (57, 33663560), (60, 31980382), (70, 27411756), (76, 25247670), (84, 22843130), (95, 20198136), (105, 18274504), (109, 17603880), (114, 16831780), (120, 15990191), (133, 14427240), (140, 13705878), (152, 12623835), (168, 11421565), (190, 10099068), (210, 9137252), (218, 8801940), (228, 8415890), (266, 7213620), (280, 6852939), (285, 6732712), (327, 5867960), (380, 5049534), (399, 4809080), (420, 4568626), (436, 4400970), (456, 4207945), (532, 3606810), (545, 3520776), (570, 3366356), (654, 2933980), (665, 2885448), (760, 2524767), (763, 2514840), (798, 2404540), (840, 2284313), (872, 2200485), (1064, 1803405), (1090, 1760388), (1103, 1739640), (1140, 1683178), (1308, 1466990), (1330, 1442724), (1526, 1257420), (1596, 1202270), (1635, 1173592), (1995, 961816), (2071, 926520), (2180, 880194), (2206, 869820), (2280, 841589), (2289, 838280), (2616, 733495), (2660, 721362), (3052, 628710), (3192, 601135), (3270, 586796), (3309, 579880), (3815, 502968), (3990, 480908), (4142, 463260), (4360, 440097), (4412, 434910), (4578, 419140), (5320, 360681), (5515, 347928), (6104, 314355), (6213, 308840), (6540, 293398), (6618, 289940), (7630, 251484), (7721, 248520), (7980, 240454), (8284, 231630), (8824, 217455), (9156, 209570), (10355, 185304), (11030, 173964), (11445, 167656), (12426, 154420), (13080, 146699), (13236, 144970), (14497, 132360), (15260, 125742), (15442, 124260), (15960, 120227), (16545, 115976), (16568, 115815), (18312, 104785), (20710, 92652), (20957, 91560), (22060, 86982), (22890, 83828), (23163, 82840), (24852, 77210), (26472, 72485), (28994, 66180), (30520, 62871), (30884, 62130), (31065, 61768), (33090, 57988), (38605, 49704), (41420, 46326), (41914, 45780), (43491, 44120)]