77945220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 183328380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 71, 76, 90, 95, 107, 108, 114, 135, 142, 171, 180, 190, 213, 214, 228, 270, 284, 285, 321, 342, 355, 380, 426, 428, 513, 535, 540, 570, 639, 642, 684, 710, 852, 855, 963, 1026, 1065, 1070, 1140, 1278, 1284, 1349, 1420, 1605, 1710, 1917, 1926, 2033, 2052, 2130, 2140, 2556, 2565, 2698, 2889, 3195, 3210, 3420, 3834, 3852, 4047, 4066, 4260, 4815, 5130, 5396, 5778, 6099, 6390, 6420, 6745, 7597, 7668, 8094, 8132, 9585, 9630, 10165, 10260, 11556, 12141, 12198, 12780, 13490, 14445, 15194, 16188, 18297, 19170, 19260, 20235, 20330, 22791, 24282, 24396, 26980, 28890, 30388, 30495, 36423, 36594, 37985, 38340, 40470, 40660, 45582, 48564, 54891, 57780, 60705, 60990, 68373, 72846, 73188, 75970, 80940, 91164, 91485, 109782, 113955, 121410, 121980, 136746, 144343, 145692, 151940, 182115, 182970, 205119, 219564, 227910, 242820, 273492, 274455, 288686, 341865, 364230, 365940, 410238, 433029, 455820, 548910, 577372, 683730, 721715, 728460, 820476, 866058, 1025595, 1097820, 1299087, 1367460, 1443430, 1732116, 2051190, 2165145, 2598174, 2886860, 3897261, 4102380, 4330290, 5196348, 6495435, 7794522, 8660580, 12990870, 15589044, 19486305, 25981740, 38972610, 77945220]

約数ペア:

[(1, 77945220), (2, 38972610), (3, 25981740), (4, 19486305), (5, 15589044), (6, 12990870), (9, 8660580), (10, 7794522), (12, 6495435), (15, 5196348), (18, 4330290), (19, 4102380), (20, 3897261), (27, 2886860), (30, 2598174), (36, 2165145), (38, 2051190), (45, 1732116), (54, 1443430), (57, 1367460), (60, 1299087), (71, 1097820), (76, 1025595), (90, 866058), (95, 820476), (107, 728460), (108, 721715), (114, 683730), (135, 577372), (142, 548910), (171, 455820), (180, 433029), (190, 410238), (213, 365940), (214, 364230), (228, 341865), (270, 288686), (284, 274455), (285, 273492), (321, 242820), (342, 227910), (355, 219564), (380, 205119), (426, 182970), (428, 182115), (513, 151940), (535, 145692), (540, 144343), (570, 136746), (639, 121980), (642, 121410), (684, 113955), (710, 109782), (852, 91485), (855, 91164), (963, 80940), (1026, 75970), (1065, 73188), (1070, 72846), (1140, 68373), (1278, 60990), (1284, 60705), (1349, 57780), (1420, 54891), (1605, 48564), (1710, 45582), (1917, 40660), (1926, 40470), (2033, 38340), (2052, 37985), (2130, 36594), (2140, 36423), (2556, 30495), (2565, 30388), (2698, 28890), (2889, 26980), (3195, 24396), (3210, 24282), (3420, 22791), (3834, 20330), (3852, 20235), (4047, 19260), (4066, 19170), (4260, 18297), (4815, 16188), (5130, 15194), (5396, 14445), (5778, 13490), (6099, 12780), (6390, 12198), (6420, 12141), (6745, 11556), (7597, 10260), (7668, 10165), (8094, 9630), (8132, 9585)]