55150720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 144419760

約数和(自身を除く): 89269040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 64, 68, 74, 80, 85, 128, 136, 137, 148, 160, 170, 185, 272, 274, 296, 320, 340, 370, 544, 548, 592, 629, 640, 680, 685, 740, 1088, 1096, 1184, 1258, 1360, 1370, 1480, 2176, 2192, 2329, 2368, 2516, 2720, 2740, 2960, 3145, 4384, 4658, 4736, 5032, 5069, 5440, 5480, 5920, 6290, 8768, 9316, 10064, 10138, 10880, 10960, 11645, 11840, 12580, 17536, 18632, 20128, 20276, 21920, 23290, 23680, 25160, 25345, 37264, 40256, 40552, 43840, 46580, 50320, 50690, 74528, 80512, 81104, 86173, 87680, 93160, 100640, 101380, 149056, 162208, 172346, 186320, 201280, 202760, 298112, 324416, 344692, 372640, 402560, 405520, 430865, 648832, 689384, 745280, 811040, 861730, 1378768, 1490560, 1622080, 1723460, 2757536, 3244160, 3446920, 5515072, 6893840, 11030144, 13787680, 27575360, 55150720]

約数ペア:

[(1, 55150720), (2, 27575360), (4, 13787680), (5, 11030144), (8, 6893840), (10, 5515072), (16, 3446920), (17, 3244160), (20, 2757536), (32, 1723460), (34, 1622080), (37, 1490560), (40, 1378768), (64, 861730), (68, 811040), (74, 745280), (80, 689384), (85, 648832), (128, 430865), (136, 405520), (137, 402560), (148, 372640), (160, 344692), (170, 324416), (185, 298112), (272, 202760), (274, 201280), (296, 186320), (320, 172346), (340, 162208), (370, 149056), (544, 101380), (548, 100640), (592, 93160), (629, 87680), (640, 86173), (680, 81104), (685, 80512), (740, 74528), (1088, 50690), (1096, 50320), (1184, 46580), (1258, 43840), (1360, 40552), (1370, 40256), (1480, 37264), (2176, 25345), (2192, 25160), (2329, 23680), (2368, 23290), (2516, 21920), (2720, 20276), (2740, 20128), (2960, 18632), (3145, 17536), (4384, 12580), (4658, 11840), (4736, 11645), (5032, 10960), (5069, 10880), (5440, 10138), (5480, 10064), (5920, 9316), (6290, 8768)]