31393320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 115732800

約数和(自身を除く): 84339480

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, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 281, 285, 294, 380, 392, 399, 420, 456, 490, 532, 562, 570, 588, 665, 735, 760, 798, 840, 843, 931, 980, 1064, 1124, 1140, 1176, 1330, 1405, 1470, 1596, 1686, 1862, 1960, 1967, 1995, 2248, 2280, 2660, 2793, 2810, 2940, 3192, 3372, 3724, 3934, 3990, 4215, 4655, 5320, 5339, 5586, 5620, 5880, 5901, 6744, 7448, 7868, 7980, 8430, 9310, 9835, 10678, 11172, 11240, 11802, 13769, 13965, 15736, 15960, 16017, 16860, 18620, 19670, 21356, 22344, 23604, 26695, 27538, 27930, 29505, 32034, 33720, 37240, 37373, 39340, 41307, 42712, 47208, 53390, 55076, 55860, 59010, 64068, 68845, 74746, 78680, 80085, 82614, 106780, 110152, 111720, 112119, 118020, 128136, 137690, 149492, 160170, 165228, 186865, 206535, 213560, 224238, 236040, 261611, 275380, 298984, 320340, 330456, 373730, 413070, 448476, 523222, 550760, 560595, 640680, 747460, 784833, 826140, 896952, 1046444, 1121190, 1308055, 1494920, 1569666, 1652280, 2092888, 2242380, 2616110, 3139332, 3924165, 4484760, 5232220, 6278664, 7848330, 10464440, 15696660, 31393320]

約数ペア:

[(1, 31393320), (2, 15696660), (3, 10464440), (4, 7848330), (5, 6278664), (6, 5232220), (7, 4484760), (8, 3924165), (10, 3139332), (12, 2616110), (14, 2242380), (15, 2092888), (19, 1652280), (20, 1569666), (21, 1494920), (24, 1308055), (28, 1121190), (30, 1046444), (35, 896952), (38, 826140), (40, 784833), (42, 747460), (49, 640680), (56, 560595), (57, 550760), (60, 523222), (70, 448476), (76, 413070), (84, 373730), (95, 330456), (98, 320340), (105, 298984), (114, 275380), (120, 261611), (133, 236040), (140, 224238), (147, 213560), (152, 206535), (168, 186865), (190, 165228), (196, 160170), (210, 149492), (228, 137690), (245, 128136), (266, 118020), (280, 112119), (281, 111720), (285, 110152), (294, 106780), (380, 82614), (392, 80085), (399, 78680), (420, 74746), (456, 68845), (490, 64068), (532, 59010), (562, 55860), (570, 55076), (588, 53390), (665, 47208), (735, 42712), (760, 41307), (798, 39340), (840, 37373), (843, 37240), (931, 33720), (980, 32034), (1064, 29505), (1124, 27930), (1140, 27538), (1176, 26695), (1330, 23604), (1405, 22344), (1470, 21356), (1596, 19670), (1686, 18620), (1862, 16860), (1960, 16017), (1967, 15960), (1995, 15736), (2248, 13965), (2280, 13769), (2660, 11802), (2793, 11240), (2810, 11172), (2940, 10678), (3192, 9835), (3372, 9310), (3724, 8430), (3934, 7980), (3990, 7868), (4215, 7448), (4655, 6744), (5320, 5901), (5339, 5880), (5586, 5620)]