28030320

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:724

約数の個数: 160

約数和(自身を含む): 101779200

約数和(自身を除く): 73748880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 683, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1366, 1368, 1520, 1710, 2049, 2052, 2160, 2280, 2565, 2732, 2736, 3415, 3420, 4098, 4104, 4560, 5130, 5464, 6147, 6830, 6840, 8196, 8208, 10245, 10260, 10928, 12294, 12977, 13660, 13680, 16392, 18441, 20490, 20520, 24588, 25954, 27320, 30735, 32784, 36882, 38931, 40980, 41040, 49176, 51908, 54640, 61470, 64885, 73764, 77862, 81960, 92205, 98352, 103816, 116793, 122940, 129770, 147528, 155724, 163920, 184410, 194655, 207632, 233586, 245880, 259540, 295056, 311448, 350379, 368820, 389310, 467172, 491760, 519080, 583965, 622896, 700758, 737640, 778620, 934344, 1038160, 1167930, 1401516, 1475280, 1557240, 1751895, 1868688, 2335860, 2803032, 3114480, 3503790, 4671720, 5606064, 7007580, 9343440, 14015160, 28030320]

約数ペア:

[(1, 28030320), (2, 14015160), (3, 9343440), (4, 7007580), (5, 5606064), (6, 4671720), (8, 3503790), (9, 3114480), (10, 2803032), (12, 2335860), (15, 1868688), (16, 1751895), (18, 1557240), (19, 1475280), (20, 1401516), (24, 1167930), (27, 1038160), (30, 934344), (36, 778620), (38, 737640), (40, 700758), (45, 622896), (48, 583965), (54, 519080), (57, 491760), (60, 467172), (72, 389310), (76, 368820), (80, 350379), (90, 311448), (95, 295056), (108, 259540), (114, 245880), (120, 233586), (135, 207632), (144, 194655), (152, 184410), (171, 163920), (180, 155724), (190, 147528), (216, 129770), (228, 122940), (240, 116793), (270, 103816), (285, 98352), (304, 92205), (342, 81960), (360, 77862), (380, 73764), (432, 64885), (456, 61470), (513, 54640), (540, 51908), (570, 49176), (683, 41040), (684, 40980), (720, 38931), (760, 36882), (855, 32784), (912, 30735), (1026, 27320), (1080, 25954), (1140, 24588), (1366, 20520), (1368, 20490), (1520, 18441), (1710, 16392), (2049, 13680), (2052, 13660), (2160, 12977), (2280, 12294), (2565, 10928), (2732, 10260), (2736, 10245), (3415, 8208), (3420, 8196), (4098, 6840), (4104, 6830), (4560, 6147), (5130, 5464)]