28303920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1$

素因数の和:2107

約数の個数: 120

約数和(自身を含む): 100105200

約数和(自身を除く): 71801280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2069, 2280, 2736, 3420, 4138, 4560, 6207, 6840, 8276, 10345, 12414, 13680, 16552, 18621, 20690, 24828, 31035, 33104, 37242, 39311, 41380, 49656, 62070, 74484, 78622, 82760, 93105, 99312, 117933, 124140, 148968, 157244, 165520, 186210, 196555, 235866, 248280, 297936, 314488, 353799, 372420, 393110, 471732, 496560, 589665, 628976, 707598, 744840, 786220, 943464, 1179330, 1415196, 1489680, 1572440, 1768995, 1886928, 2358660, 2830392, 3144880, 3537990, 4717320, 5660784, 7075980, 9434640, 14151960, 28303920]

約数ペア:

[(1, 28303920), (2, 14151960), (3, 9434640), (4, 7075980), (5, 5660784), (6, 4717320), (8, 3537990), (9, 3144880), (10, 2830392), (12, 2358660), (15, 1886928), (16, 1768995), (18, 1572440), (19, 1489680), (20, 1415196), (24, 1179330), (30, 943464), (36, 786220), (38, 744840), (40, 707598), (45, 628976), (48, 589665), (57, 496560), (60, 471732), (72, 393110), (76, 372420), (80, 353799), (90, 314488), (95, 297936), (114, 248280), (120, 235866), (144, 196555), (152, 186210), (171, 165520), (180, 157244), (190, 148968), (228, 124140), (240, 117933), (285, 99312), (304, 93105), (342, 82760), (360, 78622), (380, 74484), (456, 62070), (570, 49656), (684, 41380), (720, 39311), (760, 37242), (855, 33104), (912, 31035), (1140, 24828), (1368, 20690), (1520, 18621), (1710, 16552), (2069, 13680), (2280, 12414), (2736, 10345), (3420, 8276), (4138, 6840), (4560, 6207)]