68801850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 144

約数和(自身を含む): 209882400

約数和(自身を除く): 141080550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 171, 190, 195, 225, 234, 247, 285, 325, 342, 390, 450, 475, 494, 570, 585, 619, 650, 741, 855, 950, 975, 1170, 1235, 1238, 1425, 1482, 1710, 1857, 1950, 2223, 2470, 2850, 2925, 3095, 3705, 3714, 4275, 4446, 5571, 5850, 6175, 6190, 7410, 8047, 8550, 9285, 11115, 11142, 11761, 12350, 15475, 16094, 18525, 18570, 22230, 23522, 24141, 27855, 30950, 35283, 37050, 40235, 46425, 48282, 55575, 55710, 58805, 70566, 72423, 80470, 92850, 105849, 111150, 117610, 120705, 139275, 144846, 152893, 176415, 201175, 211698, 241410, 278550, 294025, 305786, 352830, 362115, 402350, 458679, 529245, 588050, 603525, 724230, 764465, 882075, 917358, 1058490, 1207050, 1376037, 1528930, 1764150, 1810575, 2293395, 2646225, 2752074, 3621150, 3822325, 4586790, 5292450, 6880185, 7644650, 11466975, 13760370, 22933950, 34400925, 68801850]

約数ペア:

[(1, 68801850), (2, 34400925), (3, 22933950), (5, 13760370), (6, 11466975), (9, 7644650), (10, 6880185), (13, 5292450), (15, 4586790), (18, 3822325), (19, 3621150), (25, 2752074), (26, 2646225), (30, 2293395), (38, 1810575), (39, 1764150), (45, 1528930), (50, 1376037), (57, 1207050), (65, 1058490), (75, 917358), (78, 882075), (90, 764465), (95, 724230), (114, 603525), (117, 588050), (130, 529245), (150, 458679), (171, 402350), (190, 362115), (195, 352830), (225, 305786), (234, 294025), (247, 278550), (285, 241410), (325, 211698), (342, 201175), (390, 176415), (450, 152893), (475, 144846), (494, 139275), (570, 120705), (585, 117610), (619, 111150), (650, 105849), (741, 92850), (855, 80470), (950, 72423), (975, 70566), (1170, 58805), (1235, 55710), (1238, 55575), (1425, 48282), (1482, 46425), (1710, 40235), (1857, 37050), (1950, 35283), (2223, 30950), (2470, 27855), (2850, 24141), (2925, 23522), (3095, 22230), (3705, 18570), (3714, 18525), (4275, 16094), (4446, 15475), (5571, 12350), (5850, 11761), (6175, 11142), (6190, 11115), (7410, 9285), (8047, 8550)]