201947580

素因数分解:

$2^2\times 3^{12}\times 5^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 156

約数和(自身を含む): 669615240

約数和(自身を除く): 467667660

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, 729, 810, 855, 972, 1026, 1140, 1215, 1458, 1539, 1620, 1710, 2052, 2187, 2430, 2565, 2916, 3078, 3420, 3645, 4374, 4617, 4860, 5130, 6156, 6561, 7290, 7695, 8748, 9234, 10260, 10935, 13122, 13851, 14580, 15390, 18468, 19683, 21870, 23085, 26244, 27702, 30780, 32805, 39366, 41553, 43740, 46170, 55404, 59049, 65610, 69255, 78732, 83106, 92340, 98415, 118098, 124659, 131220, 138510, 166212, 177147, 196830, 207765, 236196, 249318, 277020, 295245, 354294, 373977, 393660, 415530, 498636, 531441, 590490, 623295, 708588, 747954, 831060, 885735, 1062882, 1121931, 1180980, 1246590, 1495908, 1771470, 1869885, 2125764, 2243862, 2493180, 2657205, 3365793, 3542940, 3739770, 4487724, 5314410, 5609655, 6731586, 7479540, 10097379, 10628820, 11219310, 13463172, 16828965, 20194758, 22438620, 33657930, 40389516, 50486895, 67315860, 100973790, 201947580]

約数ペア:

[(1, 201947580), (2, 100973790), (3, 67315860), (4, 50486895), (5, 40389516), (6, 33657930), (9, 22438620), (10, 20194758), (12, 16828965), (15, 13463172), (18, 11219310), (19, 10628820), (20, 10097379), (27, 7479540), (30, 6731586), (36, 5609655), (38, 5314410), (45, 4487724), (54, 3739770), (57, 3542940), (60, 3365793), (76, 2657205), (81, 2493180), (90, 2243862), (95, 2125764), (108, 1869885), (114, 1771470), (135, 1495908), (162, 1246590), (171, 1180980), (180, 1121931), (190, 1062882), (228, 885735), (243, 831060), (270, 747954), (285, 708588), (324, 623295), (342, 590490), (380, 531441), (405, 498636), (486, 415530), (513, 393660), (540, 373977), (570, 354294), (684, 295245), (729, 277020), (810, 249318), (855, 236196), (972, 207765), (1026, 196830), (1140, 177147), (1215, 166212), (1458, 138510), (1539, 131220), (1620, 124659), (1710, 118098), (2052, 98415), (2187, 92340), (2430, 83106), (2565, 78732), (2916, 69255), (3078, 65610), (3420, 59049), (3645, 55404), (4374, 46170), (4617, 43740), (4860, 41553), (5130, 39366), (6156, 32805), (6561, 30780), (7290, 27702), (7695, 26244), (8748, 23085), (9234, 21870), (10260, 19683), (10935, 18468), (13122, 15390), (13851, 14580)]