221435370

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1286

約数の個数: 160

約数和(自身を含む): 679483728

約数和(自身を除く): 458048358

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 27, 30, 34, 39, 45, 51, 54, 65, 78, 81, 85, 90, 102, 117, 130, 135, 153, 162, 170, 195, 221, 234, 255, 270, 306, 351, 390, 405, 442, 459, 510, 585, 663, 702, 765, 810, 918, 1053, 1105, 1170, 1237, 1326, 1377, 1530, 1755, 1989, 2106, 2210, 2295, 2474, 2754, 3315, 3510, 3711, 3978, 4590, 5265, 5967, 6185, 6630, 6885, 7422, 9945, 10530, 11133, 11934, 12370, 13770, 16081, 17901, 18555, 19890, 21029, 22266, 29835, 32162, 33399, 35802, 37110, 42058, 48243, 55665, 59670, 63087, 66798, 80405, 89505, 96486, 100197, 105145, 111330, 126174, 144729, 160810, 166995, 179010, 189261, 200394, 210290, 241215, 273377, 289458, 315435, 333990, 378522, 434187, 482430, 500985, 546754, 567783, 630870, 723645, 820131, 868374, 946305, 1001970, 1135566, 1302561, 1366885, 1447290, 1640262, 1703349, 1892610, 2170935, 2460393, 2605122, 2733770, 2838915, 3406698, 4100655, 4341870, 4920786, 5677830, 6512805, 7381179, 8201310, 8516745, 12301965, 13025610, 14762358, 17033490, 22143537, 24603930, 36905895, 44287074, 73811790, 110717685, 221435370]

約数ペア:

[(1, 221435370), (2, 110717685), (3, 73811790), (5, 44287074), (6, 36905895), (9, 24603930), (10, 22143537), (13, 17033490), (15, 14762358), (17, 13025610), (18, 12301965), (26, 8516745), (27, 8201310), (30, 7381179), (34, 6512805), (39, 5677830), (45, 4920786), (51, 4341870), (54, 4100655), (65, 3406698), (78, 2838915), (81, 2733770), (85, 2605122), (90, 2460393), (102, 2170935), (117, 1892610), (130, 1703349), (135, 1640262), (153, 1447290), (162, 1366885), (170, 1302561), (195, 1135566), (221, 1001970), (234, 946305), (255, 868374), (270, 820131), (306, 723645), (351, 630870), (390, 567783), (405, 546754), (442, 500985), (459, 482430), (510, 434187), (585, 378522), (663, 333990), (702, 315435), (765, 289458), (810, 273377), (918, 241215), (1053, 210290), (1105, 200394), (1170, 189261), (1237, 179010), (1326, 166995), (1377, 160810), (1530, 144729), (1755, 126174), (1989, 111330), (2106, 105145), (2210, 100197), (2295, 96486), (2474, 89505), (2754, 80405), (3315, 66798), (3510, 63087), (3711, 59670), (3978, 55665), (4590, 48243), (5265, 42058), (5967, 37110), (6185, 35802), (6630, 33399), (6885, 32162), (7422, 29835), (9945, 22266), (10530, 21029), (11133, 19890), (11934, 18555), (12370, 17901), (13770, 16081)]