247748220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2683}}^1$

素因数の和:2726

約数の個数: 144

約数和(自身を含む): 820659840

約数和(自身を除く): 572911620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2430, 2565, 2683, 3078, 3420, 4617, 4860, 5130, 5366, 6156, 7695, 8049, 9234, 10260, 10732, 13415, 15390, 16098, 18468, 23085, 24147, 26830, 30780, 32196, 40245, 46170, 48294, 50977, 53660, 72441, 80490, 92340, 96588, 101954, 120735, 144882, 152931, 160980, 203908, 217323, 241470, 254885, 289764, 305862, 362205, 434646, 458793, 482940, 509770, 611724, 651969, 724410, 764655, 869292, 917586, 1019540, 1086615, 1303938, 1376379, 1448820, 1529310, 1835172, 2173230, 2293965, 2607876, 2752758, 3058620, 3259845, 4129137, 4346460, 4587930, 5505516, 6519690, 6881895, 8258274, 9175860, 12387411, 13039380, 13763790, 16516548, 20645685, 24774822, 27527580, 41291370, 49549644, 61937055, 82582740, 123874110, 247748220]

約数ペア:

[(1, 247748220), (2, 123874110), (3, 82582740), (4, 61937055), (5, 49549644), (6, 41291370), (9, 27527580), (10, 24774822), (12, 20645685), (15, 16516548), (18, 13763790), (19, 13039380), (20, 12387411), (27, 9175860), (30, 8258274), (36, 6881895), (38, 6519690), (45, 5505516), (54, 4587930), (57, 4346460), (60, 4129137), (76, 3259845), (81, 3058620), (90, 2752758), (95, 2607876), (108, 2293965), (114, 2173230), (135, 1835172), (162, 1529310), (171, 1448820), (180, 1376379), (190, 1303938), (228, 1086615), (243, 1019540), (270, 917586), (285, 869292), (324, 764655), (342, 724410), (380, 651969), (405, 611724), (486, 509770), (513, 482940), (540, 458793), (570, 434646), (684, 362205), (810, 305862), (855, 289764), (972, 254885), (1026, 241470), (1140, 217323), (1215, 203908), (1539, 160980), (1620, 152931), (1710, 144882), (2052, 120735), (2430, 101954), (2565, 96588), (2683, 92340), (3078, 80490), (3420, 72441), (4617, 53660), (4860, 50977), (5130, 48294), (5366, 46170), (6156, 40245), (7695, 32196), (8049, 30780), (9234, 26830), (10260, 24147), (10732, 23085), (13415, 18468), (15390, 16098)]