15380820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 59082240

約数和(自身を除く): 43701420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 313, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 626, 630, 702, 756, 780, 819, 910, 939, 945, 1092, 1170, 1252, 1260, 1365, 1404, 1565, 1638, 1755, 1820, 1878, 1890, 2191, 2340, 2457, 2730, 2817, 3130, 3276, 3510, 3756, 3780, 4069, 4095, 4382, 4695, 4914, 5460, 5634, 6260, 6573, 7020, 8138, 8190, 8451, 8764, 9390, 9828, 10955, 11268, 12207, 12285, 13146, 14085, 16276, 16380, 16902, 18780, 19719, 20345, 21910, 24414, 24570, 26292, 28170, 28483, 32865, 33804, 36621, 39438, 40690, 42255, 43820, 48828, 49140, 56340, 56966, 59157, 61035, 65730, 73242, 78876, 81380, 84510, 85449, 98595, 109863, 113932, 118314, 122070, 131460, 142415, 146484, 169020, 170898, 183105, 197190, 219726, 236628, 244140, 256347, 284830, 295785, 341796, 366210, 394380, 427245, 439452, 512694, 549315, 569660, 591570, 732420, 769041, 854490, 1025388, 1098630, 1183140, 1281735, 1538082, 1708980, 2197260, 2563470, 3076164, 3845205, 5126940, 7690410, 15380820]

約数ペア:

[(1, 15380820), (2, 7690410), (3, 5126940), (4, 3845205), (5, 3076164), (6, 2563470), (7, 2197260), (9, 1708980), (10, 1538082), (12, 1281735), (13, 1183140), (14, 1098630), (15, 1025388), (18, 854490), (20, 769041), (21, 732420), (26, 591570), (27, 569660), (28, 549315), (30, 512694), (35, 439452), (36, 427245), (39, 394380), (42, 366210), (45, 341796), (52, 295785), (54, 284830), (60, 256347), (63, 244140), (65, 236628), (70, 219726), (78, 197190), (84, 183105), (90, 170898), (91, 169020), (105, 146484), (108, 142415), (117, 131460), (126, 122070), (130, 118314), (135, 113932), (140, 109863), (156, 98595), (180, 85449), (182, 84510), (189, 81380), (195, 78876), (210, 73242), (234, 65730), (252, 61035), (260, 59157), (270, 56966), (273, 56340), (313, 49140), (315, 48828), (351, 43820), (364, 42255), (378, 40690), (390, 39438), (420, 36621), (455, 33804), (468, 32865), (540, 28483), (546, 28170), (585, 26292), (626, 24570), (630, 24414), (702, 21910), (756, 20345), (780, 19719), (819, 18780), (910, 16902), (939, 16380), (945, 16276), (1092, 14085), (1170, 13146), (1252, 12285), (1260, 12207), (1365, 11268), (1404, 10955), (1565, 9828), (1638, 9390), (1755, 8764), (1820, 8451), (1878, 8190), (1890, 8138), (2191, 7020), (2340, 6573), (2457, 6260), (2730, 5634), (2817, 5460), (3130, 4914), (3276, 4695), (3510, 4382), (3756, 4095), (3780, 4069)]