728187520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 192

約数和(自身を含む): 1923932160

約数和(自身を除く): 1195744640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 127, 128, 136, 155, 160, 170, 248, 254, 272, 289, 310, 320, 340, 496, 508, 527, 544, 578, 620, 635, 640, 680, 992, 1016, 1054, 1088, 1156, 1240, 1270, 1360, 1445, 1984, 2032, 2108, 2159, 2176, 2312, 2480, 2540, 2635, 2720, 2890, 3937, 3968, 4064, 4216, 4318, 4624, 4960, 5080, 5270, 5440, 5780, 7874, 8128, 8432, 8636, 8959, 9248, 9920, 10160, 10540, 10795, 10880, 11560, 15748, 16256, 16864, 17272, 17918, 18496, 19685, 19840, 20320, 21080, 21590, 23120, 31496, 33728, 34544, 35836, 36703, 36992, 39370, 40640, 42160, 43180, 44795, 46240, 62992, 66929, 67456, 69088, 71672, 73406, 78740, 81280, 84320, 86360, 89590, 92480, 125984, 133858, 138176, 143344, 146812, 157480, 168640, 172720, 179180, 183515, 184960, 251968, 267716, 276352, 286688, 293624, 314960, 334645, 337280, 345440, 358360, 367030, 503936, 535432, 573376, 587248, 629920, 669290, 690880, 716720, 734060, 1070864, 1137793, 1146752, 1174496, 1259840, 1338580, 1381760, 1433440, 1468120, 2141728, 2275586, 2348992, 2519680, 2677160, 2866880, 2936240, 4283456, 4551172, 4697984, 5354320, 5688965, 5733760, 5872480, 8566912, 9102344, 10708640, 11377930, 11744960, 18204688, 21417280, 22755860, 23489920, 36409376, 42834560, 45511720, 72818752, 91023440, 145637504, 182046880, 364093760, 728187520]

約数ペア:

[(1, 728187520), (2, 364093760), (4, 182046880), (5, 145637504), (8, 91023440), (10, 72818752), (16, 45511720), (17, 42834560), (20, 36409376), (31, 23489920), (32, 22755860), (34, 21417280), (40, 18204688), (62, 11744960), (64, 11377930), (68, 10708640), (80, 9102344), (85, 8566912), (124, 5872480), (127, 5733760), (128, 5688965), (136, 5354320), (155, 4697984), (160, 4551172), (170, 4283456), (248, 2936240), (254, 2866880), (272, 2677160), (289, 2519680), (310, 2348992), (320, 2275586), (340, 2141728), (496, 1468120), (508, 1433440), (527, 1381760), (544, 1338580), (578, 1259840), (620, 1174496), (635, 1146752), (640, 1137793), (680, 1070864), (992, 734060), (1016, 716720), (1054, 690880), (1088, 669290), (1156, 629920), (1240, 587248), (1270, 573376), (1360, 535432), (1445, 503936), (1984, 367030), (2032, 358360), (2108, 345440), (2159, 337280), (2176, 334645), (2312, 314960), (2480, 293624), (2540, 286688), (2635, 276352), (2720, 267716), (2890, 251968), (3937, 184960), (3968, 183515), (4064, 179180), (4216, 172720), (4318, 168640), (4624, 157480), (4960, 146812), (5080, 143344), (5270, 138176), (5440, 133858), (5780, 125984), (7874, 92480), (8128, 89590), (8432, 86360), (8636, 84320), (8959, 81280), (9248, 78740), (9920, 73406), (10160, 71672), (10540, 69088), (10795, 67456), (10880, 66929), (11560, 62992), (15748, 46240), (16256, 44795), (16864, 43180), (17272, 42160), (17918, 40640), (18496, 39370), (19685, 36992), (19840, 36703), (20320, 35836), (21080, 34544), (21590, 33728), (23120, 31496)]