31209360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1465

約数の個数: 160

約数和(自身を含む): 119159040

約数和(自身を除く): 87949680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1429, 1456, 1560, 1680, 1820, 2184, 2730, 2858, 3120, 3640, 4287, 4368, 5460, 5716, 7145, 7280, 8574, 10003, 10920, 11432, 14290, 17148, 18577, 20006, 21435, 21840, 22864, 28580, 30009, 34296, 37154, 40012, 42870, 50015, 55731, 57160, 60018, 68592, 74308, 80024, 85740, 92885, 100030, 111462, 114320, 120036, 130039, 148616, 150045, 160048, 171480, 185770, 200060, 222924, 240072, 260078, 278655, 297232, 300090, 342960, 371540, 390117, 400120, 445848, 480144, 520156, 557310, 600180, 650195, 743080, 780234, 800240, 891696, 1040312, 1114620, 1200360, 1300390, 1486160, 1560468, 1950585, 2080624, 2229240, 2400720, 2600780, 3120936, 3901170, 4458480, 5201560, 6241872, 7802340, 10403120, 15604680, 31209360]

約数ペア:

[(1, 31209360), (2, 15604680), (3, 10403120), (4, 7802340), (5, 6241872), (6, 5201560), (7, 4458480), (8, 3901170), (10, 3120936), (12, 2600780), (13, 2400720), (14, 2229240), (15, 2080624), (16, 1950585), (20, 1560468), (21, 1486160), (24, 1300390), (26, 1200360), (28, 1114620), (30, 1040312), (35, 891696), (39, 800240), (40, 780234), (42, 743080), (48, 650195), (52, 600180), (56, 557310), (60, 520156), (65, 480144), (70, 445848), (78, 400120), (80, 390117), (84, 371540), (91, 342960), (104, 300090), (105, 297232), (112, 278655), (120, 260078), (130, 240072), (140, 222924), (156, 200060), (168, 185770), (182, 171480), (195, 160048), (208, 150045), (210, 148616), (240, 130039), (260, 120036), (273, 114320), (280, 111462), (312, 100030), (336, 92885), (364, 85740), (390, 80024), (420, 74308), (455, 68592), (520, 60018), (546, 57160), (560, 55731), (624, 50015), (728, 42870), (780, 40012), (840, 37154), (910, 34296), (1040, 30009), (1092, 28580), (1365, 22864), (1429, 21840), (1456, 21435), (1560, 20006), (1680, 18577), (1820, 17148), (2184, 14290), (2730, 11432), (2858, 10920), (3120, 10003), (3640, 8574), (4287, 7280), (4368, 7145), (5460, 5716)]